Causes of Hyperpyrexia (Temp > 106.7° F) - Differential Diagnosis • Heat Stroke • Drug-induced: Amphetamines, Cocaine, Ecstasy, Lithium, Anticholinergics, Sympathomimetics • Serotonin syndrome: SSRIs, MAOIs, TCAs • Neuroleptic malignant sx: Phenothiazines, Haloperidol, Metoclopramide, withdrawal of Dopaminergic Agents • Malignant Hyperthermia: Inhalational Anesthetics, succinylcholine • Endocrinopathy: Pheochromocytoma, Thyrotoxicosis • CNS damage: Hemorrhage, Status Epilepticus, Hypothalamic Injury - WuidQ: Washington University ID Questions @WuidQ #Hyperpyrexia #Differential #Diagnosis #Causes #high #fever