off-label

adjective

off-la·​bel ˈȯf-ˌlā-bəl How to pronounce off-label (audio)
: 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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
However, triamcinolone acetonide, along with other nasal steroids, is sometimes used off-label for conditions other than allergies. Megan Nunn, Verywell Health, 23 Oct. 2025 That’s why it’s being used off-label around the world to treat people with a variety of mental health issues. Soph Warnes, CNN Money, 28 Sep. 2025 For that reason, some clinicians have experimented with off-label, low-dose rapamycin to try to slow aging. New Atlas, 24 Sep. 2025 Leucovorin is approved by the FDA to counteract the side effects of certain chemotherapy drugs and is sometimes used off-label to treat vitamin B9 deficiency. Erika Edwards, NBC news, 22 Sep. 2025 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 29 Oct. 2025.

Medical Definition

off-label

adjective
off-la·​bel ˌȯf-ˌlā-bəl How to pronounce off-label (audio)
: 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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