isotretinoin
noun
iso·tret·i·noin
ˌī-sō-ˈtre-tə-ˌnȯin 
: 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
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Patients will be screened for possible signs of depression or suicidal ideation before isotretinoin is prescribed.
—
Caroline C. Boyle, USA Today, 11 Apr. 2025
Accutane was a popular brand name for isotretinoin that is no longer available in the U.S. Other brands of prescription isotretinoin are still used, including Claravis, Absorica, Amnesteem and Zenatane.
—Leslie Baumann, Miami Herald, 2 Apr. 2025
Accutane is a type of isotretinoin that is no longer available.
—Susan Bard, Verywell Health, 28 Mar. 2025
Oral acne medication Accutane is an oral form of isotretinoin, a derivative of vitamin A, that is used to treat severe acne.
—Leslie Baumann, Miami Herald, 29 Jan. 2025
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Caroline C. Boyle, USA Today, 11 Apr. 2025
Accutane was a popular brand name for isotretinoin that is no longer available in the U.S. Other brands of prescription isotretinoin are still used, including Claravis, Absorica, Amnesteem and Zenatane.
—Leslie Baumann, Miami Herald, 2 Apr. 2025
Accutane is a type of isotretinoin that is no longer available.
—Susan Bard, Verywell Health, 28 Mar. 2025
Oral acne medication Accutane is an oral form of isotretinoin, a derivative of vitamin A, that is used to treat severe acne.
—Leslie Baumann, Miami Herald, 29 Jan. 2025
See All Example Sentences for isotretinoin
Cite this Entry
“Isotretinoin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/isotretinoin. Accessed 2 May. 2025.
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isotretinoin
noun
iso·tret·i·noin
ˌī-sō-ˈtret-ə-ˌnȯin
: 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 accutaneLove words? Need even more definitions?
Merriam-Webster unabridged
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