isotretinoin

noun

iso·​tret·​i·​noin ˌī-sō-ˈtre-tə-ˌnȯin How to pronounce isotretinoin (audio)
: a cis isomer of retinoic acid that is a synthetic derivative of vitamin A, inhibits sebaceous gland function and keratinization, and is used in the treatment of severe inflammatory acne but is contraindicated in pregnancy because of its implication as a cause of birth defects

Examples of isotretinoin 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.
Oral isotretinoin: This is a prescription oral retinoid that can help shrink oil glands that cause Fordyce spots. Carley Millhone, Health, 19 Oct. 2024 And of course, there’s the closest cure-all for acne, isotretinoin (once sold under the name Accutane), which has a 85% success rate but comes with side effects that—for some people, particularly women—can come at the cost of your mental health and physical well-being. Ariana Yaptangco, Glamour, 14 Oct. 2024 These gentler solutions include retinol, tretinoin, isotretinoin (also known as Accutane), tazarotene, and adapalene. Kiana Murden, Vogue, 24 July 2024 In some cases, if the acne is really severe, Dr. Kopelman says some women might need to get a dermatologist’s prescription for a course of the medication isotretinoin (also known as Accutane) to treat and prevent adult acne in a more permanent way. Sandra Rose Salathe, Flow Space, 20 June 2024 See all Example Sentences for isotretinoin 

Word History

First Known Use

1979, in the meaning defined above

Time Traveler
The first known use of isotretinoin was in 1979

Dictionary Entries Near isotretinoin

Cite this Entry

“Isotretinoin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/isotretinoin. Accessed 1 Dec. 2024.

Medical Definition

isotretinoin

noun
iso·​tret·​i·​noin ˌī-sō-ˈtret-ə-ˌnȯin How to pronounce isotretinoin (audio)
: a cis isomer of retinoic acid that is a synthetic derivative of vitamin A, that inhibits sebaceous gland function and keratinization, and that is administered in the treatment of severe inflammatory acne but is contraindicated in pregnancy because of its implication as a cause of birth defects

called also 13-cis-retinoic acid, retinoic acid

see accutane
Last Updated: - Updated example sentences
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