3,4-Methylenedioxymethamphetamine (MDMA), commonly called ecstasy, is a synthetic stimulant popular among young adults. Although its psychoactive effects are sought after, MDMA can lead to serious complications, including neurological and cardiovascular crises. Severe toxicity, although uncommon, may result in cerebral edema, hyponatremia, seizures, or death. We describe the case of a...