| Endocrine |
- Pheochromocytoma
- "Hyperandrenergic spells"
- Thyrotoxicosis
- Primary hypogonadism (menopausal syndrome)
- Medullary thyroid carcinoma
- Pancreatic tumors (eg, insulinoma)
- Hypoglycemia
- Carbohydrate intolerance
|
| Cardiovascular |
- Labile essential hypertension
- Cardiovascular deconditioning
- Pulmonary edema
- Syncope
- Orthostatic hypotension
- Paroxysmal cardiac arrhythmia
- Angina
- Renovascular disease
|
| Psychologic |
- Anxiety and panic attacks
- Somatization disorder
- Hyperventilation
- Factitious (eg, drugs, valsalva)
|
| Pharmacologic |
- Withdrawal of andernergic-inhibitor
- MAOI treatment plus decongestant
- Sympathomimetic ingestion
- Illegal drug ingestion (cocaine, PCP, LSD)
- Chlorpropamide-alcohol flush
- Vancomycin flushing syndrome
|
| Neurologic |
- POTS
- Autonomic neuropathy
- Migraine headache
- Diencephalic epilepsy (autonomic seizures)
- Stroke
- Cerebrovascular insufficiency
|
| Other |
- Unexplained flushing spells
- Mast cell disease
- Carcinoid syndrome
- Recurrent idiopathic anaphylaxis
|
