Ecstasy refers to a club drug made from methylene-dioxymethamphetamine (MDMA). Known as club drug, it is both a stimulant and a hallucinogen, and its side effects are potentially life-threatening.

The psychological effects are confusion, depression, sleep problems, euphoria, enhanced mental and emotional clarity, hallucinations, sensations of lightness and floating, depression, paranoid thinking. Physical effects include muscle tension, involuntary teeth clenching, nausea, dehydration, and malignant hyperthermia or increase in body temperature.