--- title: Up to 43% of U.S. Antibiotic Prescriptions Are Inappropriate description: A new analysis finds up to 43% of U.S. antibiotic prescriptions are either unnecessary or improperly documented by doctors. canonical: https://time.com/5747331/unnecessary-antibiotic-prescriptions/ author: Jamie Ducharme article:opinion: false article:content_tier: free article:published_time: 2019-12-11T23:30:47.000Z article:modified_time: 2026-02-24T07:53:34.762Z article:section: Health og:title: Up to 43% of Antibiotic Prescriptions Are Unnecessary or Improperly Written og:description: That could contribute to antibiotic resistance og:url: https://time.com/5747331/unnecessary-antibiotic-prescriptions/ og:site_name: TIME og:image: https://static.time.com/v3/assets/bltea6093859af6183b/blt02bf1000e88fcf7c/698a073501168239d997ea94/prescription-pills.jpg?branch=production&width=1200&quality=75&auto=webp&crop=16:9 og:image:width: 2128 og:image:height: 1197 og:image:alt: Prescription bottles og:type: article twitter:card: summary_large_image twitter:title: Up to 43% of Antibiotic Prescriptions Are Unnecessary or Improperly Written twitter:description: That could contribute to antibiotic resistance twitter:image: https://static.time.com/v3/assets/bltea6093859af6183b/blt02bf1000e88fcf7c/698a073501168239d997ea94/prescription-pills.jpg?branch=production&width=1200&quality=75&auto=webp&crop=16:9 ---  # Up to 43% of Antibiotic Prescriptions in the U.S. Are Unnecessary or Improperly Written, Analysis Finds > 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 weekday 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 weekday 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. ### Sources * TIME Newsletters: [time.com/newsletters](/c/time-nl-health-2026q3/newsletters?i=c2ae1818-42b8-4f17-997c-4124abdb77fd&cr=time-nl-health-2026q3-v1)  by [Jamie Ducharme](https://time.com/author/jamie-ducharme/)  ## Jamie Ducharme Ducharme is a contributor to TIME. Dec 11, 2019 11:30 PM UTC  Getty Images  by [Jamie Ducharme](https://time.com/author/jamie-ducharme/)  ## Jamie Ducharme Ducharme is a contributor to TIME. Dec 11, 2019 11:30 PM UTC The World Health Organization earlier this year called antimicrobial resistance—pathogens’ ability to evade medical interventions—one of the [10 largest threats](https://www.who.int/emergencies/ten-threats-to-global-health-in-2019) to global health. In the U.S. alone, according to a recent Centers for Disease Control and Prevention (CDC) [report](https://www.cdc.gov/media/releases/2019/p1113-antibiotic-resistant.html), 35,000 people die each year due to antibiotic-resistant infections. [A new study](https://www.bmj.com/content/367/bmj.l6461) published in _the BMJ_ points to one major propagator of the problem: doctors are prescribing antibiotics [when they shouldn’t](https://time.com/5504760/antibiotic-prescriptions-overuse/). In fact, up to 43% of U.S. antibiotic prescriptions may be “inappropriate,” according to the research. Antibiotics either kill bacteria or keep them from multiplying. By definition, they work only against bacterial illnesses—and yet, [research shows](https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5542152/) they’re often needlessly prescribed for viral illnesses like [the flu](https://time.com/5746409/early-flu-season-2019-2020/) and common colds. That’s not only a waste of resources; it may also contribute to antibiotic resistance, since bacteria get better and better at evading drugs each time they encounter them. The authors of the _BMJ_ paper analyzed data from the National Ambulatory Medical Care Survey, which asks a representative sample of U.S. physicians to describe patients’ office visits during a specified period of time. The authors examined data from more than 28,000 medical visits that took place in 2015, which can be statistically extrapolated to represent almost 991 million visits nationwide. Antibiotics were prescribed during 13.2% of these visits. Based on the medical office reports, the researchers concluded that 57% of those prescriptions were appropriately written for treating conditions known to respond well to antibiotics. A quarter were written for explicitly inappropriate reasons, such as for “treating” viral illnesses, with upper respiratory tract infections being among the most common. The final 18% were not documented well enough to assess the prescription’s validity—itself a problem that needs fixing, and one that makes it difficult for researchers to accurately analyze how and how often improper prescriptions occur. Specialists were more likely than primary care physicians to write an inappropriate prescription, the researchers found. The health community is already seeing the consequences of these improper prescriptions. In addition to the deaths detailed in the CDC’s recent report, an estimated 2.8 million Americans contract and survive antibiotic-resistant infections each year, the agency says. As illnesses get more and more difficult to treat, patients may suffer longer, and doctors might be forced to turn to increasingly powerful drugs, which can come with harmful side effects. Doctors all over the world are rushing to keep up with infections that are getting increasingly good at resisting antibiotic treatment, such as [gonorrhea](https://time.com/5222180/super-gonorrhea-drug-resistant-uk/), tuberculosis, and bacterial pneumonia. ```json [{"@context":"https://schema.org","@type":"NewsArticle","@id":"https://time.com/5747331/unnecessary-antibiotic-prescriptions/","mainEntityOfPage":{"@type":"WebPage","@id":"https://time.com/5747331/unnecessary-antibiotic-prescriptions/"},"headline":"Up to 43% of Antibiotic Prescriptions in the U.S. Are Unnecessary or Improperly Written, Analysis Finds","datePublished":"2019-12-11T23:30:47.000Z","dateModified":"2026-02-24T07:53:34.762Z","description":"A new analysis finds up to 43% of U.S. antibiotic prescriptions are either unnecessary or improperly documented by doctors.","url":"https://time.com/5747331/unnecessary-antibiotic-prescriptions/","keywords":["Research"],"thumbnailUrl":"https://static.time.com/v3/assets/bltea6093859af6183b/blt02bf1000e88fcf7c/698a073501168239d997ea94/prescription-pills.jpg?branch=production&width=1200&quality=75&auto=webp&crop=1200:675&height=675","author":[{"@type":"Person","name":"Jamie Ducharme","jobTitle":"Ducharme is a contributor to TIME.","url":"https://time.com/author/jamie-ducharme/"}],"articleSection":"Health","image":[{"@type":"ImageObject","url":"https://static.time.com/v3/assets/bltea6093859af6183b/blt02bf1000e88fcf7c/698a073501168239d997ea94/prescription-pills.jpg?branch=production&width=1200&quality=75&auto=webp&crop=1200:675&height=675","width":1200,"height":675,"headline":"Prescription bottles","caption":"Prescription bottles","creditText":"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/research/","name":"Research"}},{"@type":"ListItem","position":3,"item":{"@id":"https://time.com/5747331/unnecessary-antibiotic-prescriptions/","name":"Up to 43% of Antibiotic Prescriptions in the U.S. Are Unnecessary or Improperly Written, Analysis Finds"}}]}] ```