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Methaqualone

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Also known as ludes, quaaludes, qualudes, mandrax

A pharmaceutical depressant and sedative phased out due to the better safety profile of benzodiazepines, part of the Qualone group of substances. Now very rare, except in South Africa.

Oral

Route dataTripSit

ThresholdLightCommonStrongHeavy
75–150 mg150–300 mg—+
0300 mg
LightCommonStrongHeavy
Onset30–45 minutes
Total5–8 hours
After-effects4–6 hours
OnsetCome-upPeakOffset
Plan when to take Methaqualone — see where onset, peak and comedown land on the clock

Source: TripSit — Methaqualone ↗

Fact-sheets from PsychonautWiki. Harm-reduction reference only — not medical advice.