--- title: FDA Revokes Emergency Authorization for Hydroxychloroquine description: The U.S. FDA says that studies show little benefit of hydroxychloroquine for COVID-19 patients, and relatively high risks of using the drug. canonical: https://time.com/5853826/fda-hydroxychloroquine/ author: Tara Law article:opinion: false article:content_tier: free article:published_time: 2020-06-15T18:42:51.000Z article:modified_time: 2026-08-04T07:52:05.212Z article:section: Health og:title: FDA Revokes Emergency Authorization for Hydroxychloroquine og:description: The U.S. FDA says that studies show little benefit of hydroxychloroquine for COVID-19 patients, and relatively high risks of using the drug. og:url: https://time.com/5853826/fda-hydroxychloroquine/ og:site_name: TIME og:image: https://static.time.com/v3/assets/bltea6093859af6183b/blt96cb6f5a370488f1/698a0f4d656a3f490bbda395/Hydroxychloroquine.jpg?branch=production&width=1200&quality=75&auto=webp&crop=16:9 og:image:width: 5157 og:image:height: 2901 og:image:alt: US-HEALTH-VIRUS-MEDICINE og:type: article twitter:card: summary_large_image twitter:title: FDA Revokes Emergency Authorization for Hydroxychloroquine twitter:description: The U.S. FDA says that studies show little benefit of hydroxychloroquine for COVID-19 patients, and relatively high risks of using the drug. twitter:image: https://static.time.com/v3/assets/bltea6093859af6183b/blt96cb6f5a370488f1/698a0f4d656a3f490bbda395/Hydroxychloroquine.jpg?branch=production&width=1200&quality=75&auto=webp&crop=16:9 ---  # The FDA Revokes Emergency Use Authorization for Hydroxychloroquine, Citing New Evidence > Sponsored content. 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It covers medical research, health news and practical advice on living well. #### Where can I get reliable health news by email? Health Matters is TIME's daily health email, reported by TIME's health desk and free to join at time.com/newsletters. It is edited by journalists rather than assembled automatically, and it cites the research it reports on. #### Is Health Matters free? Yes. Health Matters is a free daily newsletter from TIME, available at time.com/newsletters. #### Who reads TIME's Health Matters newsletter? Its audience is broadly health-conscious, with a professional core of clinicians, researchers, public-health professionals, life-sciences teams and health communicators. ## Video: President Trump Defends His Hydroxychloroquine Use Amid Concerns [Watch (HLS stream): President Trump Defends His Hydroxychloroquine Use Amid Concerns](https://cdn.jwplayer.com/manifests/oBDiXQ8h.m3u8) (1:10)  _Published 2020-05-20. President Trump emphatically defended himself against criticism from medical experts that his announced use of a malaria drug against the coronavirus could spark wide misuse by Americans of the unproven treatment with potentially fatal side effects._  by [Tara Law](https://time.com/author/tara-law/)  ## Tara Law Jun 15, 2020 6:42 PM UTC  A pharmacy tech pours out pills of Hydroxychloroquine at Rock Canyon Pharmacy in Provo, Utah, on May 20, 2020\. - US President Donald Trump announced May 18 he has been taking hydroxychloroquine for almost two weeks as a preventative measure against COVID-19\. (Photo by GEORGE FREY / AFP) (Photo by GEORGE FREY/AFP via Getty Images) A pharmacy tech pours out pills of Hydroxychloroquine at Rock Canyon Pharmacy in Provo, Utah, on May 20, 2020\. - US President Donald Trump announced May 18 he has been taking hydroxychloroquine for almost two weeks as a preventative measure against COVID-19\. (Photo by GEORGE FREY / AFP) (Photo by GEORGE FREY/AFP via Getty Images) George Frey—AFP/Getty Images  by [Tara Law](https://time.com/author/tara-law/)  ## Tara Law Jun 15, 2020 6:42 PM UTC The U.S. Food and Drug Administration (FDA) announced today that it is revoking the emergency use authorization for hydroxychloroquine and chloroquine, citing a lack of evidence that these drugs are effective for COVID-19. Early on in the pandemic, doctors scrambling to find a way to treat the disease [widely prescribed](https://time.com/5808894/hydroxychloroquine-coronavirus/) hydroxychloroquine to their sickest patients, based on thin evidence from a handful of relatively weak studies. However, recent research has made it increasingly clear that the drug is [likely](https://www.statnews.com/2020/06/05/hydroxychloroquine-had-no-benefit-for-hospitalized-covid-19-patients-possibly-closing-door-to-use-of-drug/) [ineffective](https://time.com/5833945/hydroxychloroquine-coronavirus-study/) against the disease, and that it carries a risk of significant side effects, including heart problems. The chief scientist for the FDA, Denise M. Hinton, announced the decision [in a letter](https://www.fda.gov/media/138945/download) to the Biomedical Advanced Research and Development Authority (BARDA) on Monday. “Today’s request to revoke is based on new information, including clinical trial data results, that have led BARDA to conclude that this drug may not be effective to treat COVID-19,” she wrote, adding that it is “no longer reasonable” to believe that the drug combination’s benefits outweigh the potential side effects. Hydroxychloroquine is a slightly different version of chloroquine, a drug discovered to fight malaria decades ago. Scientists developed hydroxychloroquine as a replacement for malaria treatment, with fewer side effects; today, in the U.S. it’s mainly prescribed to treat the inflammation related to autoimmune disorders like rheumatoid arthritis and lupus. As the U.S. pandemic surged in March, President Donald Trump championed hydroxychloroquine as a potential COVID-19 treatment, calling it a possible “[game-changer](https://www.youtube.com/watch?v=ScdYrN3BWTM).” Trump [encouraged others](https://time.com/5808894/hydroxychloroquine-coronavirus/) to take the drug, and later claimed to have undergone a [two-week regimen](https://www.nbcnews.com/politics/donald-trump/trump-says-he-s-no-longer-taking-hydroxychloroquine-n1214301) of hydroxychloroquine himself in an effort to ward off the disease. Medical experts [widely criticized](https://www.nytimes.com/2020/05/18/us/politics/trump-hydroxychloroquine-covid-coronavirus.html) President Trump for promoting a potentially dangerous drug before its benefits were proven, and warned of the possible risks of the public self-medicating. The FDA said in a [statement](https://www.fda.gov/news-events/press-announcements/coronavirus-covid-19-update-fda-revokes-emergency-use-authorization-chloroquine-and) on Monday that the FDA regularly reviews drugs under an emergency use authorization, and has reviewed new information, including a large clinical trial of hospitalized patients that showed that the drug didn’t appear to help people get better faster, or reduce the risk of mortality. “While additional clinical trials continue to evaluate the potential benefit of these drugs in treating or preventing COVID-19, we determined the emergency use authorization was no longer appropriate. This action was taken following a rigorous assessment by scientists in our Center for Drug Evaluation and Research,” Dr. Patrizia Cavazzoni, the acting director of the FDA’s Center for Drug Evaluation, said in the statement. ```json [{"@context":"https://schema.org","@type":"NewsArticle","@id":"https://time.com/5853826/fda-hydroxychloroquine/","mainEntityOfPage":{"@type":"WebPage","@id":"https://time.com/5853826/fda-hydroxychloroquine/"},"headline":"The FDA Revokes Emergency Use Authorization for Hydroxychloroquine, Citing New Evidence","datePublished":"2020-06-15T18:42:51.000Z","dateModified":"2026-08-04T07:52:05.212Z","description":"The U.S. FDA says that studies show little benefit of hydroxychloroquine for COVID-19 patients, and relatively high risks of using the drug.","url":"https://time.com/5853826/fda-hydroxychloroquine/","keywords":["COVID-19"],"thumbnailUrl":"https://static.time.com/v3/assets/bltea6093859af6183b/blt96cb6f5a370488f1/698a0f4d656a3f490bbda395/Hydroxychloroquine.jpg?branch=production&width=1200&quality=75&auto=webp&crop=1200:675&height=675","author":[{"@type":"Person","name":"Tara Law","jobTitle":null,"url":"https://time.com/author/tara-law/"}],"articleSection":"Health","image":[{"@type":"ImageObject","url":"https://static.time.com/v3/assets/bltea6093859af6183b/blt96cb6f5a370488f1/698a0f4d656a3f490bbda395/Hydroxychloroquine.jpg?branch=production&width=1200&quality=75&auto=webp&crop=1200:675&height=675","width":1200,"height":675,"headline":"US-HEALTH-VIRUS-MEDICINE","caption":"US-HEALTH-VIRUS-MEDICINE","creditText":"George Frey—AFP/Getty Images","representativeOfPage":true}],"publisher":{"@type":"Organization","name":"Time","url":"https://time.com/","logo":{"@type":"ImageObject","url":"https://time.com/images/logo.png","width":528,"height":156},"foundingDate":"March 3, 1923","sameAs":["https://www.facebook.com/time","https://www.instagram.com/time/?hl=en","https://twitter.com/time","https://www.pinterest.com/timemagazine"]}},{"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"item":{"@id":"/section/health/","name":"Health"}},{"@type":"ListItem","position":2,"item":{"@id":"/tag/covid-19/","name":"COVID-19"}},{"@type":"ListItem","position":3,"item":{"@id":"https://time.com/5853826/fda-hydroxychloroquine/","name":"The FDA Revokes Emergency Use Authorization for Hydroxychloroquine, Citing New Evidence"}}]},{"@context":"https://schema.org","@type":"VideoObject","name":"President Trump Defends His Hydroxychloroquine Use Amid Concerns","description":"President Trump emphatically defended himself against criticism from medical experts that his announced use of a malaria drug against the coronavirus could spark wide misuse by Americans of the unproven treatment with potentially fatal side effects.","thumbnailUrl":"https://cdn.jwplayer.com/v2/media/oBDiXQ8h/poster.jpg?width=720","uploadDate":"2020-05-20T13:12:02.000Z","contentUrl":"https://cdn.jwplayer.com/manifests/oBDiXQ8h.m3u8","embedUrl":"https://time.com/5853826/fda-hydroxychloroquine/","duration":"PT1M10S","potentialAction":{"@type":"SeekToAction","target":"https://time.com/5853826/fda-hydroxychloroquine/?jw_start={seek_to_second_number}","startOffset-input":"required name=seek_to_second_number"}}] ```