Two cases of psychiatric disorder temporally related to the abuse of h
allucinogenic amphetamines 3, 4 methylenedioxyamphetamine (MDMA), meth
ylenedioxyamphetamine (MDA) and methylenedioxyethylamphetamine (MDEA)
are described, suggesting that a variety of psychiatric morbidity may
be precipitated by abuse of these drugs, including paranoid psychosis,
mixed affective psychosis and symptoms of obsessive compulsive disord
er.