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A capsule or tablet of the illicit drug methaqualone.


a trademark for a sedative-hypnotic (methaqualone). It is no longer distributed in the United States.


An addictive Schedule-II hypnotic-sedative quinazolone with barbiturate-like effects which, when it was legal, was used to reduce anxiety and tension. It was a popular drug of abuse, and it was linked to physical or psychologic dependence.

Clinical findings
Delirium, headache, nausea, pyramidal signs, convulsions, renal and cardiac failure; rarely, aplastic anaemia.
Oral, injected, sniffed, smoked.
Management of overdose

Toxic range
> 8 µg/mL, serum; > 300 µg/L, urine.
20–60 hours.
Serum, random urine.


Methaqualone, see there.
References in periodicals archive ?
Polanski cuenta que la adolescente le hablo de su gusto por el champagne y de que habia probado los Quaaludes.
19 ( ANI ): When it comes to one of the most memorable moments in 'Wolf of Wall Street' it has to be the amazingly choreographed quaalude scene.
Finally, slightly fewer than 19% of APIs reported quaalude use, and 12% said they used crack.
The only other drugs showing continued declines this year are LSD and methequalone, also known as Quaalude.
From his emotionally charged motivational speeches to his raucous debauchery while partaking in Quaalude binges, DiCaprio lets the character take him over completely, allowing you to realize that he has come a long way from "Titanic's" Jack Dawson.
Polanski was accused of plying Geimer with champagne and part of a Quaalude during a 1977 modelling shoot at Jack Nicholson's house and raping her.
When Dillon was 19, he was stopped for driving under the influence and had a marijuana joint and a Quaalude pill in his pocket.
Polanski was accused of plying a 13-year-old girl with champagne and part of a Quaalude during a modeling shoot in 1977 and raping her.
Consider the Eyes (Take a Quaalude Now), Weirdos (We've Got the Neutron Bomb), and The Alley Cats (Nothing Means Nothing Anymore)--there's no pre-packaging to jam into a marketing slot, just bruises, backyard parties, lipstick smears, and raw strips of songs that virtually spurt blood that you'll want to play again and again.