sulfadiazine

noun

sul·​fa·​di·​a·​zine ˌsəl-fə-ˈdī-ə-ˌzēn How to pronounce sulfadiazine (audio)
: a sulfa drug C10H10N4O2S used especially in the treatment of toxoplasmosis

Examples of sulfadiazine 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.
In an animal study on rabbits, one group had honey applied to a wound, a second group had milk applied, a third group had a combination of honey and milk, and a fourth the antibiotic cream sulfadiazine. Nancy Lebrun, Verywell Health, 9 July 2025

Word History

Etymology

sulfa + diazine (C4H4N2)

First Known Use

1940, in the meaning defined above

Time Traveler
The first known use of sulfadiazine was in 1940

Browse Nearby Words

Cite this Entry

“Sulfadiazine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sulfadiazine. Accessed 21 Jul. 2025.

Medical Definition

sulfadiazine

noun
sul·​fa·​di·​a·​zine
variants or chiefly British sulphadiazine
: a sulfa drug C10H10N4O2S that is used especially in the treatment of toxoplasmosis
Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!