nystatin

noun

nys·​ta·​tin ˈni-stə-tən How to pronounce nystatin (audio)
: an antifungal agent that is derived from a soil actinomycete (Streptomyces noursei) and is used especially to treat candidiasis

Examples of nystatin in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The most common prescriptions were for ketoconazole, nystatin, and clotrimazole-betamethasone dipropionate, a combination medicine containing an antifungal and a corticosteroid. Eric Berger, Ars Technica, 16 Jan. 2024 The list of medications covered includes the antibiotics amoxicillin and doxycycline, the antifungal nystatin, blood pressure drug losartan and the anti-inflammatory naproxen. Robert Hart, Forbes, 24 Jan. 2023

Word History

Etymology

New York State (where it was developed) + -in entry 1

First Known Use

1952, in the meaning defined above

Time Traveler
The first known use of nystatin was in 1952

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Cite this Entry

“Nystatin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/nystatin. Accessed 17 Jun. 2026.

Medical Definition

nystatin

noun
nys·​ta·​tin ˈnis-tət-ən How to pronounce nystatin (audio)
: an antifungal agent that is derived from a soil actinomycete of the genus Streptomyces (S. noursei) and is used especially in the treatment of candidiasis

called also fungicidin

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