zpostcode
methaqualone
Aug 25, 2026 8:29 PM

  methaqualone drug Actions Share Share Share to social media Facebook X URL https://www.britannica.com/science/methaqualone Share Share Share to social media Facebook X URL https://www.britannica.com/science/methaqualone Also known as: 714s, ludes, mandrax, quaaludes, sopors Written by Kara Rogers Kara Rogers is the senior editor of biomedical sciences at Encyclopædia Britannica, where she oversees a range of content from medicine and genetics to microorganisms. She joined Britannica in 2006 and... Kara Rogers Fact-checked by The Editors of Encyclopaedia Britannica Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree. They write new content and verify and edit content received from contributors. The Editors of Encyclopaedia Britannica Last Updated: Oct 31, 2024 • Article History Table of Contents Ask the Chatbot a Question Ask the Chatbot a Question { "@context": "https://schema.org", "@type": "FAQPage", "mainEntity": [ { "@type" : "Question", "name" : " What is methaqualone used for? ", "acceptedAnswer" : { "@type" : "Answer", "text" : "Methaqualone was historically used as a sedative-hypnotic drug for treating insomnia and anxiety. It was developed in the 1950s and was widely used for medical purposes in the 1960s and u201970s. However, it also became a popular recreational drug. Owing to its high addiction potential and extensive recreational use, the drug is now banned in most countries." } } , { "@type" : "Question", "name" : " How does methaqualone work? ", "acceptedAnswer" : { "@type" : "Answer", "text" : "Methaqualone works by modulating the activity of GABA receptors. Its binding to these receptors enhances the effects of the inhibitory neurotransmitter GABA, which acts to reduce the transmission of neural impulses. The actions of methaqualone result in sedation, characterized particularly by muscle relaxation and a feeling of euphoria." } } , { "@type" : "Question", "name" : " What are the risks of methaqualone overdose? ", "acceptedAnswer" : { "@type" : "Answer", "text" : "Methaqualone overdose can cause severe respiratory depression, leading to unconsciousness, coma, or death. The risk of overdose is heightened when methaqualone is combined with alcohol or other central nervous system depressants. Such combinations were actively sought out by individuals who used the drug recreationally." } } ] } Top Questions What is methaqualone used for? Methaqualone was historically used as a sedative-hypnotic drug for treating insomnia and anxiety. It was developed in the 1950s and was widely used for medical purposes in the 1960s and ’70s. However, it also became a popular recreational drug. Owing to its high addiction potential and extensive recreational use, the drug is now banned in most countries.

  How does methaqualone work? Methaqualone works by modulating the activity of GABA receptors. Its binding to these receptors enhances the effects of the inhibitory neurotransmitter GABA, which acts to reduce the transmission of neural impulses. The actions of methaqualone result in sedation, characterized particularly by muscle relaxation and a feeling of euphoria.

  What are the risks of methaqualone overdose? Methaqualone overdose can cause severe respiratory depression, leading to unconsciousness, coma, or death. The risk of overdose is heightened when methaqualone is combined with alcohol or other central nervous system depressants. Such combinations were actively sought out by individuals who used the drug recreationally.

  methaqualone, sedative-hypnotic drug that was historically used in the treatment of insomnia and anxiety and that became widely known as a recreational drug with a dangerously high potential for addiction. Today, in most countries worldwide, methaqualone has no accepted medical use and is illegal to possess, manufacture, or distribute. Methaqualone is a derivative of quinazolinone, an aromatic compound with biological activities relevant to medicine. The drug exerts its effects by modulating the activity of receptors for the inhibitory neurotransmitter gamma-aminobutyric acid (GABA), which functions to reduce the transmission of neural impulses in the brain. The drug acts specifically on GABAA ...(100 of 899 words)

  Access the full article Help support true facts by becoming a member. Subscribe today!

Comments
Welcome to zpostcode comments! Please keep conversations courteous and on-topic. To fosterproductive and respectful conversations, you may see comments from our Community Managers.
Sign up to post
Sort by
Show More Comments
Recommend >
Meisner technique
  Meisner technique acting Actions Share Share Share to social media Facebook X URL https://www.britannica.com/art/Meisner-technique Share Share Share to social media Facebook X URL https://www.britannica.com/art/Meisner-technique Written by Karen Sottosanti Karen Sottosanti is a writer and editor who works in educational publishing. Karen Sottosanti Fact-checked by The Editors of Encyclopaedia Britannica Encyclopaedia Britannica's editors oversee subject areas in which they have extensive...
Charlie Sheen
  Charlie Sheen American actor Actions Share Share Share to social media Facebook X URL https://www.britannica.com/biography/Charlie-Sheen Share Share Share to social media Facebook X URL https://www.britannica.com/biography/Charlie-Sheen Also known as: Carlos Irwin Estévez Written by René Ostberg René Ostberg is an associate editor at Encyclopaedia Britannica. René Ostberg Fact-checked by The Editors of Encyclopaedia Britannica Encyclopaedia Britannica's editors oversee subject areas in...
Roblox
  Roblox electronic gaming platform Actions Cite verifiedCite While every effort has been made to follow citation style rules, there may be some discrepancies. Please refer to the appropriate style manual or other sources if you have any questions. Select Citation Style MLA APA Chicago Manual of Style Copy Citation Share Share Share to social media Facebook X URL https://www.britannica.com/topic/Roblox Give...
John F. Hartwig
  John F. Hartwig American chemist Actions Share Share Share to social media Facebook X URL https://www.britannica.com/biography/John-F-Hartwig Share Share Share to social media Facebook X URL https://www.britannica.com/biography/John-F-Hartwig Written by Erik Gregersen Erik Gregersen is a senior editor at Encyclopaedia Britannica, specializing in the physical sciences and technology. Before joining Britannica in 2007, he worked at the University of Chicago Press on...
Information Recommendation
Scramble for Africa
  Scramble for Africa African history Actions Share Share Share to social media Facebook X URL https://www.britannica.com/event/Scramble-for-Africa Share Share Share to social media Facebook X URL https://www.britannica.com/event/Scramble-for-Africa Also known as: Partition of Africa Written by Rebecca M. Kulik Rebecca M. Kulik contributes articles on the social sciences and humanities to Encyclopaedia Britannica. Rebecca M. Kulik Fact-checked by The Editors of Encyclopaedia...
Dak Prescott
  Dak Prescott American football player Actions Share Share Share to social media Facebook X URL https://www.britannica.com/biography/Dak-Prescott Share Share Share to social media Facebook X URL https://www.britannica.com/biography/Dak-Prescott Also known as: Rayne Dakota Prescott Written by Fred Frommer Fred Frommer is a sports historian, author, and writer who has written for a host of national publications. Fred Frommer Fact-checked by The Editors...
Rama Navami
  Rama Navami Hindu festival Actions Share Share Share to social media Facebook X URL https://www.britannica.com/topic/Rama-Navami Share Share Share to social media Facebook X URL https://www.britannica.com/topic/Rama-Navami Also known as: Ram Navami, Ram Navmi Written by Charles Preston Charles Preston is Associate Editor for Religion at Encyclopædia Britannica. Charles Preston Fact-checked by The Editors of Encyclopaedia Britannica Encyclopaedia Britannica's editors oversee subject...
Mary Cartwright
  Mary Cartwright British mathematician Actions Share Share Share to social media Facebook X URL https://www.britannica.com/biography/Mary-Cartwright Share Share Share to social media Facebook X URL https://www.britannica.com/biography/Mary-Cartwright Also known as: Mary Lucy Cartwright Written by Adam Volle Adam Volle is a freelance writer and editor based in Atlanta, Georgia. Adam Volle Fact-checked by The Editors of Encyclopaedia Britannica Encyclopaedia Britannica's editors oversee...
Real estate sector: Investing in stocks to keep you grounded
     There’s an old saying that goes, “Buy land, they’re not making it anymore.” But purchasing real estate often requires a lot of money, tying up capital in an asset that might not be easy to sell. Plus, there’s the hassle of maintaining a physical asset and being a landlord if you rent or lease it.   There are other ways...
Borscht Belt
  Borscht Belt area, New York, United States Actions Share Share Share to social media Facebook X URL https://www.britannica.com/place/Borscht-Belt Share Share Share to social media Facebook X URL https://www.britannica.com/place/Borscht-Belt Also known as: Jewish Catskills, Yiddish Alps Written by Jordana Rosenfeld Jordana Rosenfeld is a copy editor at Encyclopaedia Britannica. Jordana Rosenfeld Fact-checked by The Editors of Encyclopaedia Britannica Encyclopaedia Britannica's editors...
Whorfian hypothesis
  Whorfian hypothesis linguistics Actions Share Share Share to social media Facebook X URL https://www.britannica.com/science/Whorfian-hypothesis Share Share Share to social media Facebook X URL https://www.britannica.com/science/Whorfian-hypothesis Also known as: Sapir-Whorf hypothesis, Whorf hypothesis, linguistic relativity Written by Teagan Wolter Teagan Wolter is Associate Editor of Anthropology at Encyclopædia Britannica. Teagan Wolter Fact-checked by The Editors of Encyclopaedia Britannica Encyclopaedia Britannica's editors oversee...
Jesus Christ Superstar
  Jesus Christ Superstar rock opera by Lloyd Webber and Rice Actions Share Share Share to social media Facebook X URL https://www.britannica.com/topic/Jesus-Christ-Superstar-rock-opera-by-Lloyd-Webber-and-Rice Share Share Share to social media Facebook X URL https://www.britannica.com/topic/Jesus-Christ-Superstar-rock-opera-by-Lloyd-Webber-and-Rice Written by Thad King Thad King was an editor at Encyclopædia Britannica for 15 years. Thad King Fact-checked by The Editors of Encyclopaedia Britannica Encyclopaedia Britannica's editors oversee subject...