Hyponatraemic states following 3,4-methylenedioxymethamphetamine (MDMA, 'ecstasy') ingestion
QJM July 1, 2002 T. K. Hartung 122 citations
MDMA can trigger life-threatening hyponatraemic encephalopathy when users drink too much fluid. The condition arises because the drug causes inappropriate secretion of antidiuretic hormone, leading to dangerously low sodium levels in the blood.