Classification: Sedative hypnotic
Commercial Names: Quaalude
Common Names/Nicknames: Quaaludes, sopors, ludes, mandrax, 714, lemmons, lemmon 7
Active Compound: Methaqualone
Found in: Methaqualone
Mode of Consumption: Ingestion, injection, inhalation (smoking)
DEA Scheduling/Legal Status (in US): Schedule I, illegal in all states
Euphoria, relaxation, reduced anxiety, drowsiness, slurred speech, aphrodisiac, paresthesia
Light-headedness, vertigo, impaired muscle coordination, memory impairment, impaired learning, anxiety, nightmares, respiratory depression, hostility, rage
Inhalation (smoking): emphysema, lung damage (talcosis); Injection: lung damage (talcosis)
Dangerous Drug Combinations:
Potentially fatal combination with alcohol, benzodiazepines, barbiturates, inhalants, and other respiratory depressants.
Special Considerations:
Relatively low risk for overdose.


And remember, if somebody needs help, play it safe and call for medical assistance.

“Students may bring an intoxicated or drug-impaired friend to University Health Services or to a hospital, or seek assistance from College residential life staff or HUPD, and by doing this, neither they nor the friend will face disciplinary action from the College for having used or provided alcohol or drugs.”

                                                                                    The Amnesty Policy
Harvard College Student Handbook

Buzzed: The Straight Facts About the Most Used and Abused Drugs from Alcohol to Ecstasy (Third Edition), by Cynthia Kuhn, Scott Swartzwelder, andWilkie Wilson. Published 2008 by W. W. Norton & Company.
National Institute on Drug Abuse (NIDA), part of the National Institute of Health (NIH) of the U.S. Department of Health and Human Services. 
U.S. Drug Enforcement Agency (DEA), part of the U.S.Department of Justice.
Erowid Organization