Autonomic-mediated | Thermoregulatory flushing | Fever | Exercise | Heat exposure (environmental or ingestion) | Menopause | Emotional flushing | Neurologic | CNS tumor | Autonomic epilepsy | Cluster headache | Spinal cord injury | Parkinson disease | Multiple sclerosis | Autonomic hyperreflexia/orthostatic hypotension | Auriculotemporal (Frey) syndrome | Trigeminal neuralgia | Migraine | | Vasodilator-mediated | Rosacea | Medications (ie, calcium channel blockers, nicotinic acid) | Food ingestion | Alcohol | Carcinoid syndrome | Systemic mastocytosis | Pheochromocytoma | Medullary thyroid carcinoma | Serotonin syndrome | Anaphylaxis | VIPoma | Renal cell carcinoma | Dumping syndrome | Sarcoidosis | Hyperthyroidism | Bronchogenic carcinoma | Androgen deficiency in men | |