isotretinoin

English
Chemical structure of isotretinoin

Etymology

From iso- +‎ tretinoin.

Pronunciation

Noun

isotretinoin (uncountable)

  1. (organic chemistry, pharmacology) 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.

References
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