amphotericin B

am·​pho·​ter·​i·​cin B | \ ˌam(p)-fə-ˈter-ə-sən-ˈbē How to pronounce amphotericin B (audio) \

Definition of amphotericin B

: an antibiotic that is obtained from a soil streptomycete (Streptomyces nodosus) and is administered typically by intravenous injection chiefly to treat serious, potentially life-threatening, systemic fungal infections

Examples of amphotericin B in a Sentence

Recent Examples on the Web All the specimens could flout fluconazole, but four of the C. auris isolates were also resistant to amphotericin B, a second-line antifungal drug. Sophie Cousins, National Geographic, "Drug-resistant superbug thriving in hospitals hit hard by COVID-19," 23 Oct. 2020 Doctors immediately started her on a large cocktail of drugs including amphotericin B and miltefosine. Beth Mole, Ars Technica, "Brain-eating amoeba kills again—here’s how it kills and how to avoid it," 26 July 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'amphotericin B.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of amphotericin B

1955, in the meaning defined above

History and Etymology for amphotericin B

amphoter(ic) + -in entry 1

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Time Traveler for amphotericin B

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The first known use of amphotericin B was in 1955

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Cite this Entry

“Amphotericin B.” Dictionary, Merriam-Webster, Accessed 1 Mar. 2021.

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amphotericin B


Medical Definition of amphotericin B

: an amphotericin that is typically administered by intravenous injection chiefly to treat serious, potentially life-threatening, systemic fungal infections

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