isotretinoin

American  

[ahy-soh-tri-tin-oh-in, -oin] / ˌaɪ soʊ trɪˈtɪn oʊ ɪn, -ɔɪn /

noun

Pharmacology.

1. a yellowish-orange to orange crystalline powder, C 20 H 28 O 2 , used in the treatment of cystic acne.

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isotretinoin British  

/ ˌaɪsəʊtrəˈtɪnəʊɪn /

noun

1. a drug related to vitamin A, used to treat severe acne that has failed to respond to other treatment

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Etymology

Origin of isotretinoin

iso- + tretinoin a name for retinoic or Vitamin A acid, equivalent to t- (of uncertain derivation) + retino(ic acid) ( retin(ol) + -o- + -ic ) + -in ²

Example Sentences

Ashlee, from Bridgend, has been on acne medication isotretinoin for more than a year, and while her acne is yet to completely clear, her spirit is undeterred.

From BBC • Sep. 20, 2024

At the inquest in December 2021 into the teenager's death, coroner Jonathan Leach concluded there was "no evidence" it was "caused or contributed to by isotretinoin".

From BBC • Apr. 27, 2023

The researchers tested that explanation by feeding mice isotretinoin, a derivative of vitamin A that increases RELMa synthesis, and then tallying how many mosquitoes bit the animals.

From Science Magazine • Jun. 30, 2022

Although that brand is no longer available, dermatologists can still prescribe isotretinoin.

From Seattle Times • Apr. 6, 2022

The prescription drug isotretinoin significantly reduces the amount of sebum produced by the sebaceous glands, and is used to treat acne.

From Textbooks • Jan. 1, 2015