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ketoconazole

American

[kee-toh-koh-nuh-zohl, -zawl] / ˌki toʊˈkoʊ nəˌzoʊl, -ˌzɔl /

noun

Pharmacology.

a synthetic substance, C 26 H 28 Cl 2 N 4 O 4 , used to treat a variety of fungal infections.

Etymology

Origin of ketoconazole

keto- + -con- of uncertain derivation + azole

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.

Aftercare instructions were simple: Don’t wash for 24 hours and stick with the ketoconazole shampoo, which I’d already been using three times a week to prevent further thinning.

From Los Angeles Times • Dec. 9, 2025

Even at this reduced concentration, the antifungal ingredient, ketoconazole, is quite effective.

From Seattle Times • Oct. 12, 2022

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