: of, relating to, or being a drug used to treat a condition for which it has not been officially approved

Examples of off-label in a Sentence

Recent Examples on the Web
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From ayahuasca circles and mail-order ketamine lozenges to off-label peptide injections, IV drips and longevity treatments, there’s a seemingly infinite number of ways to look and feel better that people will swear by in this town. Shelby Hartman, Los Angeles Times, 8 July 2026 Misoprostol is approved by the FDA to treat ulcers, and is also widely used off-label to manage miscarriages, induce labor and end pregnancies. Kate Wells, NPR, 22 June 2026 Don't Use Ammonia or Mothballs Fyffe recommends never using these substances off-label. Felicia Feaster, Martha Stewart, 20 June 2026 It is also often used off-label at lower doses to treat insomnia, anxiety and other sleep issues. Melissa Rudy, FOXNews.com, 4 June 2026 See All Example Sentences for off-label

Word History

First Known Use

1987, in the meaning defined above

Time Traveler
The first known use of off-label was in 1987

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Cite this Entry

“Off-label.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/off-label. Accessed 26 Jul. 2026.

Medical Definition

off-label

adjective
: of, relating to, or being an approved drug legally prescribed or a medical device legally used by a physician for a purpose (as the treatment of children or of a certain disease or condition) for which it has not been specifically approved (as by the United States Food and Drug Administration)
the off-label use of oral contraceptives to treat dysmenorrhea
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