depressant
downer
sedative
sedative drug
Placidyl
Quaalude
antianxiety agent
ataractic
ataractic agent
ataractic drug
barbiturate
ethchlorvynol
methaqualone
thalidomide
tranquilizer
tranquilliser
tranquillizer
antianxiety
bw/day
counterspell
ex-estate
indoleamine
interacton
levodopa
mg/kg/day
mg/kg·day
nonpersistent
one-thirtieth
secret service
sleeping-draught
surface-active
undrafted
vasoconstrictor