isotretinoin

American

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

noun

Pharmacology.

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

isotretinoin British

/ ˌaɪsəʊtrəˈtɪnəʊɪn /

noun

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

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

isotretinoin

And isotretinoin, commonly known as Accutane, is an effective oral acne medication, though it can cause serious side effects, including birth defects and depression.

From Seattle Times ● Dec. 18, 2023

The insects were less fond of mice that had consumed isotretinoin.

From Science Magazine ● Jun. 30, 2022

After a GP referral, she saw dermatologists at Harrogate District Hospital in late 2018 and isotretinoin, sold under the brand name Roaccutane, was recommended as a suitable treatment.

From BBC ● Sep. 23, 2021

Her parents said she was prescribed isotretinoin in the months before her death but they were not properly warned about its rare side effects.

From BBC ● Sep. 22, 2021

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

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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023