Depression: Oral: Initial: 300 mg/day in 2 divided doses; may increase dose gradually beginning 1 week after therapy initiation. Maximum dose: 600 mg/day. Note: Individual patient response may allow a reduction in daily dose in long-term therapy.
Discontinuation of therapy: When discontinuing antidepressant treatment that has lasted for >3 weeks, gradually taper the dose (eg, over 2 to 4 weeks) to minimize withdrawal symptoms and detect reemerging symptoms (APA 2010; WFSBP [Bauer 2015]). Reasons for a slower taper (eg, over 4 weeks) include history of antidepressant withdrawal symptoms or high doses of antidepressants (APA 2010; Hirsch 2020). More severe symptoms have been associated with monoamine oxidase inhibitors (MAOIs); more conservative tapers may be necessary. If intolerable withdrawal symptoms occur, resume the previously prescribed dose and/or decrease dose at a more gradual rate (Haddad 2001; Shelton 2001). Select patients (eg, those with a history of discontinuation syndrome) on long-term treatment (>6 months) may benefit from tapering over >3 months (WFSBP [Bauer 2015]). Evidence supporting ideal taper rates is limited (Shelton 2001; WFSBP [Bauer 2015]).
Switching antidepressants:
Switching to or from moclobemide, another MAOI, or an alternative antidepressant:
Allow 14 days to elapse between discontinuing an alternative antidepressant without long half-life metabolites (eg, tricyclic antidepressants, paroxetine, fluvoxamine, venlafaxine) or MAOI and initiation of moclobemide.
Allow 5 weeks to elapse between discontinuing fluoxetine (with long half-life metabolites) and initiation of moclobemide.
Allow at least 2 to 14 days to elapse between discontinuing moclobemide and initiation of an alternative antidepressant or MAOI.
Dosage adjustment for concomitant therapy: Significant drug interactions exist, requiring dose/frequency adjustment or avoidance. Consult drug interactions database for more information.
There are no dosage adjustments provided in the manufacturer's labeling. Use with caution; however, single-dose pharmacokinetic data suggests that dosage adjustments are not necessary (multiple-dose studies have not been performed).
Mild or moderate impairment: There no dosage adjustments provided in the manufacturer’s labeling.
Severe impairment: Decrease daily dose to 33% to 50% of usual dose
Refer to adult dosing.
The following adverse drug reactions and incidences are derived from product labeling unless otherwise specified.
1% to 10%:
Cardiovascular: Hypotension (3%), palpitations (≤4%), tachycardia (≤4%)
Gastrointestinal: Constipation (4%), diarrhea (2%), gastrointestinal disease (2%), vomiting (2%)
Nervous system: Acute anxiety (≤3%), agitation (5%; increased), anxiety (≤3%; increased), insomnia (≤7%), nervousness (≤4%), restlessness (≤4%), sleep disturbance (≤7%)
Neuromuscular & skeletal: Tremor (5%)
Ocular: Blurred vision (2%)
Frequency not defined:
Cardiovascular: Angina pectoris, bradycardia, chest pain, extrasystoles, flushing, hypertension, phlebitis
Dermatologic: Allergic skin reaction, pruritus, skin rash, urticaria, xeroderma
Endocrine & metabolic: Heavy menstrual bleeding, hot flash
Gastrointestinal: Bloating, dysgeusia, dyspepsia, gastritis, gingivitis, heartburn, stomatitis
Genitourinary: Abnormal uterine bleeding, altered micturition (including dysuria, polyuria, tenesmus)
Nervous system: Abnormal dreams, aggressive behavior, apathy, confusion, delusion, disorientation, dysarthria, exacerbation of depression, excitement, extrapyramidal reaction, hallucination, hypomania, irritability, malaise, memory impairment, migraine, nightmares, paresthesia, sensation of cold, tension
Neuromuscular & skeletal: Musculoskeletal pain
Ophthalmic: Conjunctivitis, photopsia, visual disturbance
Otic: Tinnitus
Respiratory: Dyspnea
Postmarketing:
Hepatic: Increased liver enzymes
Nervous system: Suicidal ideation, suicidal tendencies
Hypersensitivity to moclobemide or any component of the formulation; acute confusional states; concurrent use of bupropion, conventional monoamine oxidase inhibitors, dextromethorphan, maprotiline, meperidine, selective serotonin reuptake inhibitors, serotonin-norepinephrine reuptake inhibitors, selegiline, thioridazine, tramadol, tricyclic/tetracyclic antidepressants, trimipramine, and triptans.
Significant drug interactions exist, requiring dose/frequency adjustment or avoidance. Consult drug interactions database for more information.
Major psychiatric warnings:
• Suicidal thinking/behavior: Antidepressants increase the risk of suicidal thinking and behavior in children, adolescents, and young adults (18 to 24 years of age) with major depressive disorder (MDD) and other psychiatric disorders; consider risk prior to prescribing. Short-term studies did not show an increased risk in patients >24 years of age and showed a decreased risk in patients ≥65 years (Stone 2009). Closely monitor patients for clinical worsening, suicidality, or unusual changes in behavior, particularly during the initial 1 to 2 months of therapy or during periods of dosage adjustments (increases or decreases); the patient’s family or caregiver should be instructed to closely observe the patient and communicate condition with health care provider.
• The possibility of a suicide attempt is inherent in major depression and may persist until remission occurs. Worsening depression and severe abrupt suicidality that are not part of the presenting symptoms may require discontinuation or modification of drug therapy. Use caution in high-risk patients during initiation of therapy.
• Prescriptions should be written for the smallest quantity consistent with good patient care. The patient's family or caregiver should be alerted to monitor patients for the emergence of suicidality and associated behaviors such as anxiety, agitation, panic attacks, insomnia, irritability, hostility, impulsivity, akathisia, hypomania, and mania; patients should be instructed to notify their health care provider if any of these symptoms or worsening depression or psychosis occur (Reeves 2009).
Concerns related to adverse effects:
• CNS depression: May cause CNS depression, which may impair physical or mental abilities; patients must be cautioned about performing tasks that require mental alertness (eg, operating machinery, driving).
• Ocular effects: May cause mild pupillary dilation, which in susceptible individuals can lead to an episode of narrow-angle glaucoma.
• Serotonin syndrome: Potentially life-threatening serotonin syndrome (SS) has occurred with concomitant use of serotonergic agents (eg, selective serotonin reuptake inhibitors, serotonin-norepinephrine reuptake inhibitors, triptans, tricyclic/tetracyclic antidepressants, fentanyl, lithium, tramadol, buspirone, St. John's wort, tryptophan) or agents that impair metabolism of serotonin (eg, monoamine oxidase inhibitors [MAOIs] intended to treat psychiatric disorders, other MAOIs [ie, linezolid and IV methylene blue]). Monitor patients closely for signs of SS, such as mental status changes (eg, agitation, hallucinations, delirium, coma), autonomic instability (eg, tachycardia, labile BP, diaphoresis), neuromuscular changes (eg, tremor, rigidity, myoclonus), GI symptoms (eg, nausea, vomiting, diarrhea), and/or seizures. Discontinue treatment (and any concomitant serotonergic agent) immediately if signs/symptoms arise.
Disease-related concerns:
• Hepatic impairment: Use caution in patients with hepatic impairment; clearance is decreased and half-life and plasma concentrations are increased. Consider switching to a different antidepressant class due to side effect profile, risk of worsening hepatotoxicity, and apparent pharmacokinetic changes in chronic liver disease; however, if an MAOI must be used, moclobemide is preferred because its effects are reversible (Mullish 2014). If moclobemide is used, dose adjustment required in severe impairment.
• Mania/hypomania: May precipitate a shift to mania or hypomania in patients with bipolar disorder. Monotherapy in patients with bipolar disorder should be avoided. Combination therapy with an antidepressant and a mood stabilizer should also be avoided in acute mania or mixed episodes, as well as maintenance treatment in bipolar disorder due to the mood-destabilizing effects of antidepressants (CANMAT [Yatham 2018]; WFSBP [Grunze 2018]). Patients presenting with depressive symptoms should be screened for bipolar disorder. Moclobemide is not approved for the treatment of bipolar depression.
• Pheochromocytoma: Use with caution in patients with pheochromocytoma; may precipitate hypertensive reaction.
• Renal impairment: Use with caution in patients with renal impairment.
• Thyroid dysfunction: Use with caution in patients with thyrotoxicosis; may precipitate hypertensive reaction.
Special populations:
• Slow metabolizers: Serum concentrations may be increased in patients who are slow CYP2D6 and/or CYP2C19 metabolizers.
Other warnings/precautions:
• Discontinuation syndrome: Abrupt discontinuation or interruption of antidepressant therapy has been associated with a discontinuation syndrome. Symptoms with MAOIs commonly include aggressiveness, agitation, delirium, confusion, depression associated with cognitive impairment, disorientation, hypomania, insomnia, irritability, mania, myoclonic jerks, seizures, and thought disorganization (eg, paranoid delusions and hallucinations). Greater risks for developing a discontinuation syndrome have been associated with high doses, longer durations of treatment, and abrupt discontinuation (APA 2010; Haddad 2001; Lejoyeux 1995).
• Tyramine restriction: Dietary restriction of tyramine does not appear to be necessary for patients receiving moclobemide; patients must be informed of signs/symptoms of reaction (eg, tachycardia or bradycardia, palpitations, stiff neck, occipital headache). Potentiation of tyramine may be minimized by administering moclobemide after meals.
Not available in the US
Yes
Excipient information presented when available (limited, particularly for generics); consult specific product labeling.
Tablet, Oral:
Manerix: 150 mg, 300 mg [contains corn starch]
Generic: 100 mg, 150 mg, 300 mg
Oral: Administer immediately after meals.
Note: Not approved in the US.
Major depressive disorder (unipolar): Treatment of adults with unipolar major depressive disorder.
Substrate of CYP2C19 (major), CYP2D6 (minor); Note: Assignment of Major/Minor substrate status based on clinically relevant drug interaction potential; Inhibits CYP2C19 (moderate), CYP2D6 (weak), Monoamine Oxidase
Note: Interacting drugs may not be individually listed below if they are part of a group interaction (eg, individual drugs within “CYP3A4 Inducers [Strong]” are NOT listed). For a complete list of drug interactions by individual drug name and detailed management recommendations, use the Lexicomp drug interactions program by clicking on the “Launch drug interactions program” link above.
Abrocitinib: CYP2C19 Inhibitors (Moderate) may increase the serum concentration of Abrocitinib. Risk C: Monitor therapy
Acetylcholinesterase Inhibitors: May diminish the therapeutic effect of Anticholinergic Agents. Anticholinergic Agents may diminish the therapeutic effect of Acetylcholinesterase Inhibitors. Risk C: Monitor therapy
Aclidinium: May enhance the anticholinergic effect of Anticholinergic Agents. Risk X: Avoid combination
Agents with Blood Glucose Lowering Effects: Monoamine Oxidase Inhibitors may enhance the hypoglycemic effect of Agents with Blood Glucose Lowering Effects. Risk C: Monitor therapy
Alcohol (Ethyl): May enhance the adverse/toxic effect of Monoamine Oxidase Inhibitors. Risk X: Avoid combination
Alosetron: May enhance the serotonergic effect of Serotonergic Agents (High Risk). This could result in serotonin syndrome. Management: Monitor for signs and symptoms of serotonin syndrome/serotonin toxicity (eg, hyperreflexia, clonus, hyperthermia, diaphoresis, tremor, autonomic instability, mental status changes) when these agents are combined. Risk C: Monitor therapy
Alpha-/Beta-Agonists (Indirect-Acting): Monoamine Oxidase Inhibitors may enhance the hypertensive effect of Alpha-/Beta-Agonists (Indirect-Acting). While linezolid is expected to interact via this mechanism, management recommendations differ from other monoamine oxidase inhibitors. Refer to linezolid specific monographs for details. Risk X: Avoid combination
Alpha1-Agonists: Monoamine Oxidase Inhibitors may enhance the hypertensive effect of Alpha1-Agonists. While linezolid is expected to interact via this mechanism, management recommendations differ from other monoamine oxidase inhibitors. Refer to linezolid specific monographs for details. Risk X: Avoid combination
Altretamine: May enhance the orthostatic hypotensive effect of Monoamine Oxidase Inhibitors (Antidepressant). Risk C: Monitor therapy
Amantadine: May enhance the anticholinergic effect of Anticholinergic Agents. Risk C: Monitor therapy
Amifampridine: Agents With Seizure Threshold Lowering Potential may enhance the neuroexcitatory and/or seizure-potentiating effect of Amifampridine. Risk C: Monitor therapy
Amisulpride (Oral): Agents With Seizure Threshold Lowering Potential may enhance the adverse/toxic effect of Amisulpride (Oral). Specifically, the risk of seizures may be increased. Risk C: Monitor therapy
Amphetamines: Monoamine Oxidase Inhibitors may enhance the hypertensive effect of Amphetamines. While linezolid and tedizolid may interact via this mechanism, management recommendations differ from other monoamine oxidase inhibitors. Refer to monographs specific to those agents for details. Risk X: Avoid combination
Anticholinergic Agents: May enhance the adverse/toxic effect of other Anticholinergic Agents. Risk C: Monitor therapy
Antiemetics (5HT3 Antagonists): May enhance the serotonergic effect of Serotonergic Agents (High Risk). This could result in serotonin syndrome. Management: Monitor for signs and symptoms of serotonin syndrome/serotonin toxicity (eg, hyperreflexia, clonus, hyperthermia, diaphoresis, tremor, autonomic instability, mental status changes) when these agents are combined. Risk C: Monitor therapy
Apraclonidine: Monoamine Oxidase Inhibitors may enhance the adverse/toxic effect of Apraclonidine. Monoamine Oxidase Inhibitors may increase the serum concentration of Apraclonidine. Risk X: Avoid combination
ARIPiprazole: Agents With Seizure Threshold Lowering Potential may enhance the adverse/toxic effect of ARIPiprazole. Specifically, the risk of seizures may be increased. Risk C: Monitor therapy
ARIPiprazole Lauroxil: Agents With Seizure Threshold Lowering Potential may enhance the adverse/toxic effect of ARIPiprazole Lauroxil. Specifically, the risk of seizures may be increased. Risk C: Monitor therapy
Asenapine: Agents With Seizure Threshold Lowering Potential may enhance the adverse/toxic effect of Asenapine. Specifically, the risk of seizures may be increased. Risk C: Monitor therapy
Atomoxetine: Monoamine Oxidase Inhibitors may enhance the neurotoxic (central) effect of Atomoxetine. Risk X: Avoid combination
Atropine (Ophthalmic): Monoamine Oxidase Inhibitors may enhance the hypertensive effect of Atropine (Ophthalmic). Risk X: Avoid combination
Belzutifan: CYP2C19 Inhibitors (Moderate) may increase the serum concentration of Belzutifan. Risk C: Monitor therapy
Benperidol: Agents With Seizure Threshold Lowering Potential may enhance the adverse/toxic effect of Benperidol. Specifically, the risk of seizures may be increased. Risk C: Monitor therapy
Benzhydrocodone: May enhance the serotonergic effect of Monoamine Oxidase Inhibitors. This could result in serotonin syndrome. Management: The use of benzhydrocodone is not recommended for patients taking monoamine oxidase inhibitors (MAOIs) or within 14 days of MAOI discontinuation. If coadministration is required, use test doses and frequent titration of small benzhydrocodone. Risk D: Consider therapy modification
Beta2-Agonists: Monoamine Oxidase Inhibitors may enhance the adverse/toxic effect of Beta2-Agonists. Risk C: Monitor therapy
Betahistine: Monoamine Oxidase Inhibitors may increase the serum concentration of Betahistine. Risk C: Monitor therapy
Bezafibrate: Monoamine Oxidase Inhibitors may enhance the adverse/toxic effect of Bezafibrate. Risk X: Avoid combination
Blonanserin: Agents With Seizure Threshold Lowering Potential may enhance the adverse/toxic effect of Blonanserin. Specifically, the risk of seizures may be increased. Risk C: Monitor therapy
Botulinum Toxin-Containing Products: May enhance the anticholinergic effect of Anticholinergic Agents. Risk C: Monitor therapy
Brexanolone: Moclobemide may enhance the CNS depressant effect of Brexanolone. Risk C: Monitor therapy
Brexpiprazole: Agents With Seizure Threshold Lowering Potential may enhance the adverse/toxic effect of Brexpiprazole. Specifically, the risk of seizures may be increased. Risk C: Monitor therapy
Brimonidine (Ophthalmic): Monoamine Oxidase Inhibitors may enhance the adverse/toxic effect of Brimonidine (Ophthalmic). Monoamine Oxidase Inhibitors may increase the serum concentration of Brimonidine (Ophthalmic). Risk C: Monitor therapy
Brimonidine (Topical): Monoamine Oxidase Inhibitors may enhance the adverse/toxic effect of Brimonidine (Topical). Monoamine Oxidase Inhibitors may increase the serum concentration of Brimonidine (Topical). Risk C: Monitor therapy
Brivaracetam: CYP2C19 Inhibitors (Moderate) may increase the serum concentration of Brivaracetam. Risk C: Monitor therapy
Bromperidol: Agents With Seizure Threshold Lowering Potential may enhance the adverse/toxic effect of Bromperidol. Specifically, the risk of seizures may be increased. Risk C: Monitor therapy
Buprenorphine: May enhance the adverse/toxic effect of Monoamine Oxidase Inhibitors. Risk X: Avoid combination
BuPROPion: Monoamine Oxidase Inhibitors may enhance the hypertensive effect of BuPROPion. Risk X: Avoid combination
BusPIRone: May enhance the serotonergic effect of Monoamine Oxidase Inhibitors (Antidepressant). This could result in serotonin syndrome. Risk X: Avoid combination
Butorphanol: May enhance the serotonergic effect of Monoamine Oxidase Inhibitors. This could result in serotonin syndrome. Risk X: Avoid combination
Cannabinoid-Containing Products: Anticholinergic Agents may enhance the tachycardic effect of Cannabinoid-Containing Products. Risk C: Monitor therapy
CarBAMazepine: May enhance the adverse/toxic effect of Monoamine Oxidase Inhibitors. Management: Do not use carbamazepine during, or within 14 days of discontinuing, treatment with a monoamine oxidase inhibitor. Risk X: Avoid combination
Carbinoxamine: Monoamine Oxidase Inhibitors may enhance the adverse/toxic effect of Carbinoxamine. Specifically, the anticholinergic effects of carbinoxamine may be enhanced and prolonged. Risk X: Avoid combination
Cariprazine: Agents With Seizure Threshold Lowering Potential may enhance the adverse/toxic effect of Cariprazine. Specifically, the risk of seizures may be increased. Risk C: Monitor therapy
Carisoprodol: CYP2C19 Inhibitors (Moderate) may decrease serum concentrations of the active metabolite(s) of Carisoprodol. CYP2C19 Inhibitors (Moderate) may increase the serum concentration of Carisoprodol. Risk C: Monitor therapy
Cerebrolysin: May enhance the adverse/toxic effect of Monoamine Oxidase Inhibitors. Risk C: Monitor therapy
Chloral Betaine: May enhance the adverse/toxic effect of Anticholinergic Agents. Risk C: Monitor therapy
Chlorphenesin Carbamate: May enhance the adverse/toxic effect of Monoamine Oxidase Inhibitors. Risk C: Monitor therapy
ChlorproMAZINE: Agents With Seizure Threshold Lowering Potential may enhance the adverse/toxic effect of ChlorproMAZINE. Specifically, the risk of seizures may be increased. Risk C: Monitor therapy
Chlorprothixene: Anticholinergic Agents may enhance the anticholinergic effect of Chlorprothixene. Risk C: Monitor therapy
Cilostazol: CYP2C19 Inhibitors (Moderate) may increase serum concentrations of the active metabolite(s) of Cilostazol. CYP2C19 Inhibitors (Moderate) may increase the serum concentration of Cilostazol. Management: Reduce the cilostazol dose to 50 mg twice daily in patients who are also receiving moderate inhibitors of CYP2C19. Monitor clinical response to cilostazol closely. Risk D: Consider therapy modification
Cimetidine: May increase the serum concentration of Moclobemide. Management: Consider using alternative agents to increase gastric pH in order to avoid this interaction. If combined, a moclobemide dose reduction of 50% may be necessary, and patients should be monitored for increased moclobemide effects/toxicities. Risk D: Consider therapy modification
Cimetropium: Anticholinergic Agents may enhance the anticholinergic effect of Cimetropium. Risk X: Avoid combination
Clemastine: Monoamine Oxidase Inhibitors may enhance the anticholinergic effect of Clemastine. Risk C: Monitor therapy
CloBAZam: CYP2C19 Inhibitors (Moderate) may increase serum concentrations of the active metabolite(s) of CloBAZam. CYP2C19 Inhibitors (Moderate) may increase the serum concentration of CloBAZam. Risk C: Monitor therapy
Clopidogrel: CYP2C19 Inhibitors (Moderate) may decrease serum concentrations of the active metabolite(s) of Clopidogrel. Risk C: Monitor therapy
Clothiapine: Agents With Seizure Threshold Lowering Potential may enhance the adverse/toxic effect of Clothiapine. Specifically, the risk of seizures may be increased. Risk C: Monitor therapy
CloZAPine: Anticholinergic Agents may enhance the constipating effect of CloZAPine. Management: Consider alternatives to this combination whenever possible. If combined, monitor closely for signs and symptoms of gastrointestinal hypomotility and consider prophylactic laxative treatment. Risk D: Consider therapy modification
Cocaine (Topical): May enhance the adverse/toxic effect of Monoamine Oxidase Inhibitors. Risk C: Monitor therapy
Codeine: Monoamine Oxidase Inhibitors may enhance the adverse/toxic effect of Codeine. Risk X: Avoid combination
Cyclobenzaprine: May enhance the serotonergic effect of Monoamine Oxidase Inhibitors. This could result in serotonin syndrome. Risk X: Avoid combination
CYP2C19 Inhibitors (Moderate): May increase the serum concentration of Moclobemide. Risk C: Monitor therapy
CYP2C19 Inhibitors (Strong): May increase the serum concentration of Moclobemide. Risk C: Monitor therapy
Cyproheptadine: Monoamine Oxidase Inhibitors may enhance the anticholinergic effect of Cyproheptadine. Cyproheptadine may diminish the serotonergic effect of Monoamine Oxidase Inhibitors. Risk X: Avoid combination
Dapoxetine: May enhance the serotonergic effect of Serotonergic Agents (High Risk). This could result in serotonin syndrome. Management: Do not use serotonergic agents (high risk) with dapoxetine or within 7 days of serotonergic agent discontinuation. Do not use dapoxetine within 14 days of monoamine oxidase inhibitor use. Dapoxetine labeling lists this combination as contraindicated. Risk X: Avoid combination
Deutetrabenazine: Monoamine Oxidase Inhibitors may enhance the adverse/toxic effect of Deutetrabenazine. Risk X: Avoid combination
Dexlansoprazole: CYP2C19 Inhibitors (Moderate) may increase the serum concentration of Dexlansoprazole. Risk C: Monitor therapy
Dexmethylphenidate: Monoamine Oxidase Inhibitors may enhance the hypertensive effect of Dexmethylphenidate. Risk X: Avoid combination
Dextromethorphan: May enhance the serotonergic effect of Monoamine Oxidase Inhibitors. This may cause serotonin syndrome. Risk X: Avoid combination
Diamorphine: Monoamine Oxidase Inhibitors may enhance the adverse/toxic effect of Diamorphine. Risk X: Avoid combination
DiazePAM: CYP2C19 Inhibitors (Moderate) may increase the serum concentration of DiazePAM. Risk C: Monitor therapy
Diethylpropion: Monoamine Oxidase Inhibitors may enhance the hypertensive effect of Diethylpropion. Risk X: Avoid combination
Dihydrocodeine: May enhance the adverse/toxic effect of Monoamine Oxidase Inhibitors. Management: Consider avoiding use of dihydrocodeine while the patient is taking monoamine oxidase inhibitors (MAOIs) and for 2 weeks after MAOI discontinuation. Risk D: Consider therapy modification
Diphenoxylate: May enhance the hypertensive effect of Monoamine Oxidase Inhibitors. Risk X: Avoid combination
Domperidone: Monoamine Oxidase Inhibitors may enhance the adverse/toxic effect of Domperidone. Monoamine Oxidase Inhibitors may diminish the therapeutic effect of Domperidone. Domperidone may diminish the therapeutic effect of Monoamine Oxidase Inhibitors. Risk C: Monitor therapy
DOPamine: Monoamine Oxidase Inhibitors may enhance the hypertensive effect of DOPamine. Management: Initiate dopamine at no greater than one-tenth (1/10) of the usual dose in patients who are taking (or have taken within the last 2 to 3 weeks) monoamine oxidase inhibitors. Monitor for an exaggerated hypertensive response to dopamine. Risk D: Consider therapy modification
Doxapram: Monoamine Oxidase Inhibitors may enhance the hypertensive effect of Doxapram. Risk C: Monitor therapy
Doxylamine: Monoamine Oxidase Inhibitors may enhance the anticholinergic effect of Doxylamine. Risk X: Avoid combination
DroPERidol: Agents With Seizure Threshold Lowering Potential may enhance the adverse/toxic effect of DroPERidol. Specifically, the risk of seizures may be increased. Risk C: Monitor therapy
Droxidopa: Monoamine Oxidase Inhibitors may enhance the hypertensive effect of Droxidopa. Risk X: Avoid combination
Eluxadoline: Anticholinergic Agents may enhance the constipating effect of Eluxadoline. Risk X: Avoid combination
EPINEPHrine (Nasal): Monoamine Oxidase Inhibitors may enhance the hypertensive effect of EPINEPHrine (Nasal). Risk C: Monitor therapy
EPINEPHrine (Oral Inhalation): Monoamine Oxidase Inhibitors may enhance the hypertensive effect of EPINEPHrine (Oral Inhalation). Risk X: Avoid combination
Epinephrine (Racemic): Monoamine Oxidase Inhibitors may enhance the hypertensive effect of Epinephrine (Racemic). Risk C: Monitor therapy
EPINEPHrine (Systemic): Monoamine Oxidase Inhibitors may enhance the hypertensive effect of EPINEPHrine (Systemic). Risk C: Monitor therapy
Ergot Derivatives: May enhance the serotonergic effect of Serotonergic Agents (High Risk). This could result in serotonin syndrome. Management: Monitor for signs and symptoms of serotonin syndrome/serotonin toxicity (eg, hyperreflexia, clonus, hyperthermia, diaphoresis, tremor, autonomic instability, mental status changes) when these agents are combined. Risk C: Monitor therapy
Esketamine: May enhance the hypertensive effect of Monoamine Oxidase Inhibitors. Risk C: Monitor therapy
Etravirine: CYP2C19 Inhibitors (Moderate) may increase the serum concentration of Etravirine. Risk C: Monitor therapy
Fenfluramine: May enhance the serotonergic effect of Monoamine Oxidase Inhibitors (Antidepressant). This could result in serotonin syndrome. Risk X: Avoid combination
FentaNYL: May enhance the serotonergic effect of Monoamine Oxidase Inhibitors (Antidepressant). This could result in serotonin syndrome. Risk X: Avoid combination
Flibanserin: CYP2C19 Inhibitors (Moderate) may increase the serum concentration of Flibanserin. Risk C: Monitor therapy
Flupentixol: Agents With Seizure Threshold Lowering Potential may enhance the adverse/toxic effect of Flupentixol. Specifically, the risk of seizures may be increased. Risk C: Monitor therapy
FluPHENAZine: Agents With Seizure Threshold Lowering Potential may enhance the adverse/toxic effect of FluPHENAZine. Specifically, the risk of seizures may be increased. Risk C: Monitor therapy
Fosphenytoin-Phenytoin: CYP2C19 Inhibitors (Moderate) may increase the serum concentration of Fosphenytoin-Phenytoin. Risk C: Monitor therapy
Gastrointestinal Agents (Prokinetic): Anticholinergic Agents may diminish the therapeutic effect of Gastrointestinal Agents (Prokinetic). Risk C: Monitor therapy
Gepirone: May enhance the serotonergic effect of Monoamine Oxidase Inhibitors (Antidepressant). This could result in serotonin syndrome. Risk X: Avoid combination
Glucagon: Anticholinergic Agents may enhance the adverse/toxic effect of Glucagon. Specifically, the risk of gastrointestinal adverse effects may be increased. Risk C: Monitor therapy
Glycopyrrolate (Oral Inhalation): Anticholinergic Agents may enhance the anticholinergic effect of Glycopyrrolate (Oral Inhalation). Risk X: Avoid combination
Glycopyrronium (Topical): May enhance the anticholinergic effect of Anticholinergic Agents. Risk X: Avoid combination
Guanethidine: May enhance the adverse/toxic effect of Monoamine Oxidase Inhibitors. Risk X: Avoid combination
Haloperidol: Agents With Seizure Threshold Lowering Potential may enhance the adverse/toxic effect of Haloperidol. Specifically, the risk of seizures may be increased. Risk C: Monitor therapy
HYDROcodone: Monoamine Oxidase Inhibitors may enhance the adverse/toxic effect of HYDROcodone. HYDROcodone may enhance the serotonergic effect of Monoamine Oxidase Inhibitors. This could result in serotonin syndrome. Management: Consider alternatives to this combination when possible. If coadministration is required, use test doses, titrate small doses frequently, and monitor patients closely for evidence of serotonergic and opioid toxicities. Risk D: Consider therapy modification
HYDROmorphone: Monoamine Oxidase Inhibitors may enhance the adverse/toxic effect of HYDROmorphone. Management: Coadministration of hydromorphone and monoamine oxidase (MAO) inhibitors (or within 14 days of stopping an MAO inhibitor) is not recommended. If required, use test doses, titrate small doses frequently, and monitor for CNS and respitatory depression. Risk D: Consider therapy modification
Iloperidone: Agents With Seizure Threshold Lowering Potential may enhance the adverse/toxic effect of Iloperidone. Specifically, the risk of seizures may be increased. Risk C: Monitor therapy
Indoramin: Monoamine Oxidase Inhibitors may enhance the hypotensive effect of Indoramin. Risk X: Avoid combination
Iobenguane Radiopharmaceutical Products: Monoamine Oxidase Inhibitors may diminish the therapeutic effect of Iobenguane Radiopharmaceutical Products. Management: Discontinue all drugs that may inhibit or interfere with catecholamine transport or uptake for at least 5 biological half-lives before iobenguane administration. Do not administer these drugs until at least 7 days after each iobenguane dose. Risk X: Avoid combination
Iohexol: Agents With Seizure Threshold Lowering Potential may enhance the adverse/toxic effect of Iohexol. Specifically, the risk for seizures may be increased. Management: Discontinue agents that may lower the seizure threshold 48 hours prior to intrathecal use of iohexol. Wait at least 24 hours after the procedure to resume such agents. In nonelective procedures, consider use of prophylactic antiseizure drugs. Risk D: Consider therapy modification
Iomeprol: Agents With Seizure Threshold Lowering Potential may enhance the adverse/toxic effect of Iomeprol. Specifically, the risk for seizures may be increased. Management: Discontinue agents that may lower the seizure threshold 48 hours prior to intrathecal use of iomeprol. Wait at least 24 hours after the procedure to resume such agents. In nonelective procedures, consider use of prophylactic antiseizure drugs. Risk D: Consider therapy modification
Iopamidol: Agents With Seizure Threshold Lowering Potential may enhance the adverse/toxic effect of Iopamidol. Specifically, the risk for seizures may be increased. Management: Discontinue agents that may lower the seizure threshold 48 hours prior to intrathecal use of iopamidol. Wait at least 24 hours after the procedure to resume such agents. In nonelective procedures, consider use of prophylactic antiseizure drugs. Risk D: Consider therapy modification
Ipratropium (Oral Inhalation): May enhance the anticholinergic effect of Anticholinergic Agents. Risk X: Avoid combination
Isometheptene: Monoamine Oxidase Inhibitors may enhance the adverse/toxic effect of Isometheptene. Risk X: Avoid combination
Isoproterenol: Monoamine Oxidase Inhibitors may enhance the therapeutic effect of Isoproterenol. Risk C: Monitor therapy
Itopride: Anticholinergic Agents may diminish the therapeutic effect of Itopride. Risk C: Monitor therapy
Lansoprazole: CYP2C19 Inhibitors (Moderate) may increase the serum concentration of Lansoprazole. Risk C: Monitor therapy
Lasmiditan: May enhance the serotonergic effect of Serotonergic Agents (High Risk). This could result in serotonin syndrome. Management: Monitor for signs and symptoms of serotonin syndrome/serotonin toxicity (eg, hyperreflexia, clonus, hyperthermia, diaphoresis, tremor, autonomic instability, mental status changes) when these agents are combined. Risk C: Monitor therapy
Levodopa-Foslevodopa: May enhance the adverse/toxic effect of Monoamine Oxidase Inhibitors. Of particular concern is the development of hypertensive reactions when levodopa is used with nonselective MAOI. Risk X: Avoid combination
Levomethadone: May enhance the adverse/toxic effect of Monoamine Oxidase Inhibitors. Risk X: Avoid combination
Levonordefrin: Monoamine Oxidase Inhibitors may enhance the hypertensive effect of Levonordefrin. Risk X: Avoid combination
Levosulpiride: Anticholinergic Agents may diminish the therapeutic effect of Levosulpiride. Risk X: Avoid combination
Linezolid: May enhance the serotonergic effect of Monoamine Oxidase Inhibitors (Antidepressant). This could result in serotonin syndrome. Risk X: Avoid combination
Lithium: Monoamine Oxidase Inhibitors (Antidepressant) may enhance the serotonergic effect of Lithium. This could result in serotonin syndrome. Management: Consider alternatives to this drug combination. If combined, monitor for signs and symptoms of serotonin syndrome/serotonin toxicity (eg, hyperreflexia, clonus, hyperthermia, diaphoresis, tremor, autonomic instability, mental status changes). Risk D: Consider therapy modification
Lorcaserin (Withdrawn From US Market): May enhance the serotonergic effect of Serotonergic Agents (High Risk). This could result in serotonin syndrome. Management: Monitor for signs and symptoms of serotonin syndrome/serotonin toxicity (eg, hyperreflexia, clonus, hyperthermia, diaphoresis, tremor, autonomic instability, mental status changes) when these agents are combined. Risk C: Monitor therapy
Loxapine: Agents With Seizure Threshold Lowering Potential may enhance the adverse/toxic effect of Loxapine. Specifically, the risk of seizures may be increased. Risk C: Monitor therapy
Lumateperone: Agents With Seizure Threshold Lowering Potential may enhance the adverse/toxic effect of Lumateperone. Specifically, the risk of seizures may be increased. Risk C: Monitor therapy
Lurasidone: Agents With Seizure Threshold Lowering Potential may enhance the adverse/toxic effect of Lurasidone. Specifically, the risk of seizures may be increased. Risk C: Monitor therapy
Maprotiline: May enhance the hypertensive effect of Monoamine Oxidase Inhibitors. Risk X: Avoid combination
Mavacamten: CYP2C19 Inhibitors (Moderate) may increase the serum concentration of Mavacamten. Risk X: Avoid combination
Meperidine: May enhance the serotonergic effect of Monoamine Oxidase Inhibitors (Antidepressant). This could result in serotonin syndrome. Risk X: Avoid combination
Meptazinol: Monoamine Oxidase Inhibitors may enhance the adverse/toxic effect of Meptazinol. Risk X: Avoid combination
Mequitazine: Monoamine Oxidase Inhibitors may enhance the anticholinergic effect of Mequitazine. Risk X: Avoid combination
Metaraminol: Monoamine Oxidase Inhibitors may enhance the hypertensive effect of Metaraminol. Risk C: Monitor therapy
Metaxalone: May enhance the serotonergic effect of Serotonergic Agents (High Risk). This could result in serotonin syndrome. Management: Monitor for signs and symptoms of serotonin syndrome/serotonin toxicity (eg, hyperreflexia, clonus, hyperthermia, diaphoresis, tremor, autonomic instability, mental status changes) when these agents are combined. Risk C: Monitor therapy
Methadone: May enhance the serotonergic effect of Monoamine Oxidase Inhibitors. This could result in serotonin syndrome. Risk X: Avoid combination
Methotrimeprazine: Monoamine Oxidase Inhibitors may enhance the adverse/toxic effect of Methotrimeprazine. Specifically, monoamine oxidase inhibitors may enhance dopamine blockade, possible increasing the risk for neuroleptic malignant syndrome. Methotrimeprazine may enhance the serotonergic effect of Monoamine Oxidase Inhibitors. This could result in serotonin syndrome. Risk X: Avoid combination
Methyldopa: Monoamine Oxidase Inhibitors may enhance the adverse/toxic effect of Methyldopa. Risk X: Avoid combination
Methylene Blue: Monoamine Oxidase Inhibitors (Antidepressant) may enhance the serotonergic effect of Methylene Blue. This could result in serotonin syndrome. Risk X: Avoid combination
Methylphenidate: Monoamine Oxidase Inhibitors may enhance the hypertensive effect of Methylphenidate. Risk X: Avoid combination
Metoclopramide: May enhance the hypertensive effect of Monoamine Oxidase Inhibitors. Risk X: Avoid combination
Mianserin: Monoamine Oxidase Inhibitors may enhance the neurotoxic effect of Mianserin. Risk X: Avoid combination
Mirabegron: Anticholinergic Agents may enhance the adverse/toxic effect of Mirabegron. Risk C: Monitor therapy
Mivacurium: Monoamine Oxidase Inhibitors may increase the serum concentration of Mivacurium. Risk C: Monitor therapy
Molindone: Agents With Seizure Threshold Lowering Potential may enhance the adverse/toxic effect of Molindone. Specifically, the risk of seizures may be increased. Risk C: Monitor therapy
Monoamine Oxidase Inhibitors (Antidepressant): May enhance the hypertensive effect of other Monoamine Oxidase Inhibitors (Antidepressant). Monoamine Oxidase Inhibitors (Antidepressant) may enhance the serotonergic effect of other Monoamine Oxidase Inhibitors (Antidepressant). This could result in serotonin syndrome. Risk X: Avoid combination
Monoamine Oxidase Inhibitors (Type B): Monoamine Oxidase Inhibitors (Antidepressant) may enhance the hypertensive effect of Monoamine Oxidase Inhibitors (Type B). Monoamine Oxidase Inhibitors (Antidepressant) may enhance the serotonergic effect of Monoamine Oxidase Inhibitors (Type B). This could result in serotonin syndrome. Risk X: Avoid combination
Morphine (Systemic): Monoamine Oxidase Inhibitors may enhance the adverse/toxic effect of Morphine (Systemic). Risk X: Avoid combination
Nalbuphine: Monoamine Oxidase Inhibitors may enhance the CNS depressant effect of Nalbuphine. Nalbuphine may enhance the hypertensive effect of Monoamine Oxidase Inhibitors. Nalbuphine may enhance the serotonergic effect of Monoamine Oxidase Inhibitors. This could result in serotonin syndrome. Management: Use of nalbuphine is not recommended in patients taking MAOIs, or within 14 days of stopping MAOI therapy. If urgent nalbuphine use is needed, use test doses and frequent titration while monitoring blood pressure, CNS depression, and serotonergic toxicity Risk D: Consider therapy modification
Nefazodone: Monoamine Oxidase Inhibitors (Antidepressant) may enhance the serotonergic effect of Nefazodone. This could result in serotonin syndrome. Risk X: Avoid combination
Nefopam: Monoamine Oxidase Inhibitors may enhance the adverse/toxic effect of Nefopam. Risk X: Avoid combination
Nitroglycerin: Anticholinergic Agents may decrease the absorption of Nitroglycerin. Specifically, anticholinergic agents may decrease the dissolution of sublingual nitroglycerin tablets, possibly impairing or slowing nitroglycerin absorption. Risk C: Monitor therapy
Norepinephrine: Monoamine Oxidase Inhibitors may enhance the hypertensive effect of Norepinephrine. Risk C: Monitor therapy
Normethadone: Monoamine Oxidase Inhibitors may enhance the adverse/toxic effect of Normethadone. Risk X: Avoid combination
OLANZapine: Agents With Seizure Threshold Lowering Potential may enhance the adverse/toxic effect of OLANZapine. Specifically, the risk of seizures may be increased. Risk C: Monitor therapy
Omeprazole: Moclobemide may increase the serum concentration of Omeprazole. Omeprazole may increase the serum concentration of Moclobemide. Risk C: Monitor therapy
Ondansetron: May enhance the serotonergic effect of Serotonergic Agents (High Risk). This could result in serotonin syndrome. Management: Monitor for signs and symptoms of serotonin syndrome/serotonin toxicity (eg, hyperreflexia, clonus, hyperthermia, diaphoresis, tremor, autonomic instability, mental status changes) when these agents are combined. Risk C: Monitor therapy
Opioid Agonists: Anticholinergic Agents may enhance the adverse/toxic effect of Opioid Agonists. Specifically, the risk for constipation and urinary retention may be increased with this combination. Risk C: Monitor therapy
Opioid Agonists: May enhance the serotonergic effect of Monoamine Oxidase Inhibitors. This could result in serotonin syndrome. Management: Monitor for signs and symptoms of serotonin syndrome/serotonin toxicity (eg, hyperreflexia, clonus, hyperthermia, diaphoresis, tremor, autonomic instability, mental status changes) when these agents are combined. Risk C: Monitor therapy
Opioid Agonists (metabolized by CYP3A4 and CYP2D6): May enhance the serotonergic effect of Serotonergic Agents (High Risk). This could result in serotonin syndrome. Management: Monitor for signs and symptoms of serotonin syndrome/serotonin toxicity (eg, hyperreflexia, clonus, hyperthermia, diaphoresis, tremor, autonomic instability, mental status changes) when these agents are combined. Risk C: Monitor therapy
Opium: Monoamine Oxidase Inhibitors may enhance the adverse/toxic effect of Opium. Risk X: Avoid combination
Oxatomide: May enhance the anticholinergic effect of Anticholinergic Agents. Risk X: Avoid combination
Oxitriptan: Serotonergic Agents (High Risk) may enhance the serotonergic effect of Oxitriptan. This could result in serotonin syndrome. Management: Monitor for signs and symptoms of serotonin syndrome/serotonin toxicity (eg, hyperreflexia, clonus, hyperthermia, diaphoresis, tremor, autonomic instability, mental status changes) when these agents are combined. Risk C: Monitor therapy
OxyCODONE: May enhance the serotonergic effect of Monoamine Oxidase Inhibitors. This could result in serotonin syndrome. Management: Use of oxycodone is not recommended for patients taking MAOIs or within 14 days of MAOI discontinuation. If combined, use test doses and frequent titration of small doses while monitoring blood pressure, CNS depression, and signs of serotonin syndrome. Risk D: Consider therapy modification
OxyMORphone: May enhance the adverse/toxic effect of Monoamine Oxidase Inhibitors. Risk X: Avoid combination
Ozanimod: May enhance the hypertensive effect of Monoamine Oxidase Inhibitors. Risk X: Avoid combination
Paliperidone: Agents With Seizure Threshold Lowering Potential may enhance the adverse/toxic effect of Paliperidone. Specifically, the risk of seizures may be increased. Risk C: Monitor therapy
Periciazine: Agents With Seizure Threshold Lowering Potential may enhance the adverse/toxic effect of Periciazine. Specifically, the risk of seizures may be increased. Risk C: Monitor therapy
Perphenazine: Agents With Seizure Threshold Lowering Potential may enhance the adverse/toxic effect of Perphenazine. Specifically, the risk of seizures may be increased. Risk C: Monitor therapy
Pheniramine: May enhance the anticholinergic effect of Monoamine Oxidase Inhibitors. Risk X: Avoid combination
Pholcodine: May enhance the serotonergic effect of Monoamine Oxidase Inhibitors. This could result in serotonin syndrome. Risk X: Avoid combination
Pimozide: Agents With Seizure Threshold Lowering Potential may enhance the adverse/toxic effect of Pimozide. Specifically, the risk of seizures may be increased. Risk C: Monitor therapy
Pipamperone [INT]: Agents With Seizure Threshold Lowering Potential may enhance the adverse/toxic effect of Pipamperone [INT]. Specifically, the risk of seizures may be increased. Risk C: Monitor therapy
Pizotifen: Monoamine Oxidase Inhibitors may enhance the anticholinergic effect of Pizotifen. Risk X: Avoid combination
Polyethylene Glycol-Electrolyte Solution: Agents With Seizure Threshold Lowering Potential may enhance the adverse/toxic effect of Polyethylene Glycol-Electrolyte Solution. Specifically, the risk of seizure may be increased. Risk C: Monitor therapy
Potassium Chloride: Anticholinergic Agents may enhance the ulcerogenic effect of Potassium Chloride. Management: Patients on drugs with substantial anticholinergic effects should avoid using any solid oral dosage form of potassium chloride. Risk X: Avoid combination
Potassium Citrate: Anticholinergic Agents may enhance the ulcerogenic effect of Potassium Citrate. Management: Patients on drugs with substantial anticholinergic effects should avoid using any solid oral dosage form of potassium citrate. Risk X: Avoid combination
Pramlintide: May enhance the anticholinergic effect of Anticholinergic Agents. These effects are specific to the GI tract. Risk X: Avoid combination
Prochlorperazine: Agents With Seizure Threshold Lowering Potential may enhance the adverse/toxic effect of Prochlorperazine. Specifically, the risk of seizures may be increased. Risk C: Monitor therapy
Proguanil: CYP2C19 Inhibitors (Moderate) may decrease serum concentrations of the active metabolite(s) of Proguanil. CYP2C19 Inhibitors (Moderate) may increase the serum concentration of Proguanil. Risk C: Monitor therapy
Promazine: Agents With Seizure Threshold Lowering Potential may enhance the adverse/toxic effect of Promazine. Specifically, the risk of seizures may be increased. Risk C: Monitor therapy
QUEtiapine: Agents With Seizure Threshold Lowering Potential may enhance the adverse/toxic effect of QUEtiapine. Specifically, the risk of seizures may be increased. Risk C: Monitor therapy
Ramosetron: Anticholinergic Agents may enhance the constipating effect of Ramosetron. Risk C: Monitor therapy
Ramosetron: May enhance the serotonergic effect of Serotonergic Agents (High Risk). This could result in serotonin syndrome. Management: Monitor for signs and symptoms of serotonin syndrome/serotonin toxicity (eg, hyperreflexia, clonus, hyperthermia, diaphoresis, tremor, autonomic instability, mental status changes) when these agents are combined. Risk C: Monitor therapy
Reboxetine: Monoamine Oxidase Inhibitors may enhance the adverse/toxic effect of Reboxetine. Risk X: Avoid combination
Remifentanil: Monoamine Oxidase Inhibitors may enhance the adverse/toxic effect of Remifentanil. Specifically, the risk for opioid toxicity (eg, respiratory depression) may be increased. Remifentanil may enhance the serotonergic effect of Monoamine Oxidase Inhibitors. This could result in serotonin syndrome. Management: The use of remifentanil is not recommended for patients taking monoamine oxidase inhibitors (MAOIs) or within 14 days of MAOI discontinuation. If coadministration is required, use test doses and titrate small doses of remifentanil frequently. Risk D: Consider therapy modification
Reserpine: Monoamine Oxidase Inhibitors may enhance the adverse/toxic effect of Reserpine. Existing MAOI therapy can result in paradoxical effects of added reserpine (e.g., excitation, hypertension). Management: Monoamine oxidase inhibitors (MAOIs) should be avoided or used with great caution in patients who are also receiving reserpine. Monitor closely for paradoxical effects of reserpine (eg, excitation, hypertension). Risk D: Consider therapy modification
Revefenacin: Anticholinergic Agents may enhance the anticholinergic effect of Revefenacin. Risk X: Avoid combination
RisperiDONE: Agents With Seizure Threshold Lowering Potential may enhance the adverse/toxic effect of RisperiDONE. Specifically, the risk of seizures may be increased. Risk C: Monitor therapy
Rivastigmine: Anticholinergic Agents may diminish the therapeutic effect of Rivastigmine. Rivastigmine may diminish the therapeutic effect of Anticholinergic Agents. Management: Use of rivastigmine with an anticholinergic agent is not recommended unless clinically necessary. If the combination is necessary, monitor for reduced anticholinergic effects. Risk D: Consider therapy modification
Secretin: Anticholinergic Agents may diminish the therapeutic effect of Secretin. Management: Avoid concomitant use of anticholinergic agents and secretin. Discontinue anticholinergic agents at least 5 half-lives prior to administration of secretin. Risk D: Consider therapy modification
Selective Serotonin Reuptake Inhibitors: May enhance the serotonergic effect of Monoamine Oxidase Inhibitors (Antidepressant). This could result in serotonin syndrome. Risk X: Avoid combination
Serotonergic Non-Opioid CNS Depressants: May enhance the serotonergic effect of Monoamine Oxidase Inhibitors (Antidepressant). This could result in serotonin syndrome. Risk X: Avoid combination
Serotonin 5-HT1D Receptor Agonists (Triptans): May enhance the serotonergic effect of Monoamine Oxidase Inhibitors. This could result in serotonin syndrome. Monoamine Oxidase Inhibitors may increase the serum concentration of Serotonin 5-HT1D Receptor Agonists (Triptans). Risk X: Avoid combination
Serotonin/Norepinephrine Reuptake Inhibitors: Monoamine Oxidase Inhibitors (Antidepressant) may enhance the serotonergic effect of Serotonin/Norepinephrine Reuptake Inhibitors. This could result in serotonin syndrome. Risk X: Avoid combination
Sertindole: Agents With Seizure Threshold Lowering Potential may enhance the adverse/toxic effect of Sertindole. Specifically, the risk of seizures may be increased. Risk C: Monitor therapy
Sevoflurane: Monoamine Oxidase Inhibitors may enhance the adverse/toxic effect of Sevoflurane. Specifically, the risk of hemodynamic instability may be increased. Risk C: Monitor therapy
Sodium Phosphates: Agents With Seizure Threshold Lowering Potential may enhance the adverse/toxic effect of Sodium Phosphates. Specifically, the risk of seizure or loss of consciousness may be increased in patients with significant sodium phosphate-induced fluid or electrolyte abnormalities. Risk C: Monitor therapy
Solriamfetol: Monoamine Oxidase Inhibitors may enhance the hypertensive effect of Solriamfetol. Risk X: Avoid combination
St John's Wort: May enhance the serotonergic effect of Serotonergic Agents (High Risk). This could result in serotonin syndrome. St John's Wort may decrease the serum concentration of Serotonergic Agents (High Risk). Management: Monitor for signs and symptoms of serotonin syndrome/serotonin toxicity (eg, hyperreflexia, clonus, hyperthermia, diaphoresis, tremor, autonomic instability, mental status changes) when these agents are combined. Risk C: Monitor therapy
SUFentanil: May enhance the adverse/toxic effect of Monoamine Oxidase Inhibitors. Specifically, the risk for serotonin syndrome or opioid toxicities (eg, respiratory depression, coma) may be increased. Management: Sufentanil should not be used with monoamine oxidase (MAO) inhibitors (or within 14 days of stopping an MAO inhibitor) due to the potential for serotonin syndrome and/or excessive CNS depression. Risk X: Avoid combination
Sulpiride: Agents With Seizure Threshold Lowering Potential may enhance the adverse/toxic effect of Sulpiride. Specifically, the risk of seizures may be increased. Risk C: Monitor therapy
Syrian Rue: May enhance the serotonergic effect of Serotonergic Agents (High Risk). This could result in serotonin syndrome. Management: Monitor for signs and symptoms of serotonin syndrome/serotonin toxicity (eg, hyperreflexia, clonus, hyperthermia, diaphoresis, tremor, autonomic instability, mental status changes) when these agents are combined. Risk C: Monitor therapy
Tapentadol: May enhance the adverse/toxic effect of Monoamine Oxidase Inhibitors. Specifically, the additive effects of norepinephrine may lead to adverse cardiovascular effects. Tapentadol may enhance the serotonergic effect of Monoamine Oxidase Inhibitors. This could result in serotonin syndrome. Risk X: Avoid combination
Tetrabenazine: May enhance the adverse/toxic effect of Monoamine Oxidase Inhibitors. Risk X: Avoid combination
Tetrahydrozoline (Nasal): Monoamine Oxidase Inhibitors may enhance the hypertensive effect of Tetrahydrozoline (Nasal). Risk X: Avoid combination
Thiazide and Thiazide-Like Diuretics: Anticholinergic Agents may increase the serum concentration of Thiazide and Thiazide-Like Diuretics. Risk C: Monitor therapy
Thioridazine: CYP2D6 Inhibitors (Weak) may increase the serum concentration of Thioridazine. Management: Consider avoiding concomitant use of thioridazine and weak CYP2D6 inhibitors. If combined, monitor closely for QTc interval prolongation and arrhythmias. Some weak CYP2D6 inhibitors list use with thioridazine as a contraindication. Risk D: Consider therapy modification
Thiothixene: Agents With Seizure Threshold Lowering Potential may enhance the adverse/toxic effect of Thiothixene. Specifically, the risk of seizures may be increased. Risk C: Monitor therapy
Tiotropium: Anticholinergic Agents may enhance the anticholinergic effect of Tiotropium. Risk X: Avoid combination
Topiramate: Anticholinergic Agents may enhance the adverse/toxic effect of Topiramate. Risk C: Monitor therapy
TraMADol: Monoamine Oxidase Inhibitors (Antidepressant) may enhance the adverse/toxic effect of TraMADol. Specifically, the risk for serotonin syndrome/serotonin toxicity and seizures may be increased.. Risk X: Avoid combination
Tricyclic Antidepressants: Monoamine Oxidase Inhibitors (Antidepressant) may enhance the serotonergic effect of Tricyclic Antidepressants. This could result in serotonin syndrome. Risk X: Avoid combination
Trifluoperazine: Agents With Seizure Threshold Lowering Potential may enhance the adverse/toxic effect of Trifluoperazine. Specifically, the risk of seizures may be increased. Risk C: Monitor therapy
Tryptophan: Monoamine Oxidase Inhibitors (Antidepressant) may enhance the serotonergic effect of Tryptophan. This could result in serotonin syndrome. Risk X: Avoid combination
Tyrosine: May enhance the hypertensive effect of Monoamine Oxidase Inhibitors. Risk X: Avoid combination
Umeclidinium: May enhance the anticholinergic effect of Anticholinergic Agents. Risk X: Avoid combination
Valbenazine: May enhance the adverse/toxic effect of Monoamine Oxidase Inhibitors. Risk X: Avoid combination
Viloxazine: May enhance the hypertensive effect of Monoamine Oxidase Inhibitors. Risk X: Avoid combination
Voriconazole: CYP2C19 Inhibitors (Moderate) may increase the serum concentration of Voriconazole. Risk C: Monitor therapy
Ziprasidone: Agents With Seizure Threshold Lowering Potential may enhance the adverse/toxic effect of Ziprasidone. Specifically, the risk of seizures may be increased. Risk C: Monitor therapy
Zuclopenthixol: Agents With Seizure Threshold Lowering Potential may enhance the adverse/toxic effect of Zuclopenthixol. Specifically, the risk of seizures may be increased. Risk C: Monitor therapy
Dietary restriction of tyramine does not appear to be necessary. In clinical trials, tyramine (up to 100 mg) was safely ingested during treatment with moclobemide (600 mg/day) which was administered immediately after meals. Management: Administer moclobemide immediately after meals. Monitor for tachycardia or bradycardia, palpitations, occipital headache, neck stiffness or other atypical symptoms.
Adverse events have been observed in animal reproduction studies.
Small quantities of maternal dose are excreted in breast milk. Breast-feeding is not recommended by the manufacturer.
Liver function tests (periodic); blood pressure; suicidal ideation (especially at the beginning of therapy or when doses are increased or decreased)
Moclobemide is a benzamide derivative which acts as a short-acting reversible inhibitor of monoamine oxidase (MAO), which inhibits the metabolism (deamination) of serotonin, norepinephrine, and dopamine. It has a relative specificity for the A subtype of monoamine oxidase (MAO type A). Its action leads to increased concentrations of these neurotransmitters, which may account for the antidepressant activity of moclobemide.
Onset of action: Depression: Initial effects may be observed within 1 to 2 weeks of treatment, with continued improvements through 4 to 6 weeks (Papakostas 2006; Posternak 2005; Szegedi 2009).
Absorption: 98% from GI tract
Distribution: 1.2 L/kg
Protein binding: ~50% (primarily to albumin)
Metabolism: Extensively metabolized via hepatic oxidative reactions; partial metabolism via CYP2C19 and 2D6
Bioavailability: ~55% (single dose); 90% (repeated dosing)
Half-life elimination: Terminal: 1.5 hours
Time to peak, serum: 0.5 to 3.5 hours
Excretion: Urine (95%, as metabolites; <1% as unchanged drug)
Note: Slow CYP2C19 and 2D6 metabolizers: Moclobemide AUC increased ~1.5 fold compared to extensive metabolizers receiving the same dose of moclobemide.
Hepatic function impairment: Moclobemide peak plasma concentrations and elimination half-life were increased ~3-fold and its clearance decreased about 4-fold following a single 100 mg dose, to in patients with cirrhosis.
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