Beneficial effects | |
At alpha-1 receptor: | |
Increased vasoconstriction (at low doses) | |
Increased peripheral vascular resistance | |
Increased blood pressure | |
Decreased mucosal edema (eg, in larynx) | |
At beta-1 receptor: | |
Increased heart rate (chronotropy) | |
Increased force of cardiac contraction (inotropy) | |
At beta-2 receptor: | |
Decreased mediator release from mast cells and basophils | |
Increased bronchodilation | |
Increased vasodilation | |
Adverse effects*¶Δ | |
Common and transient | Anxiety, palpitations, pallor, tremor, fear, restlessness, dizziness, headache |
Uncommon (typically occur after overdose) | Ventricular arrhythmias, angina, myocardial infarction, pulmonary edema, sudden sharp increase in blood pressure, intracranial hemorrhage |
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