py·​ri·​meth·​amine | \ ˌpī-rə-ˈme-thə-ˌmēn How to pronounce pyrimethamine (audio) \

Definition of pyrimethamine

: a folic acid antagonist C12H13ClN4 used in the chemoprophylaxis or treatment of malaria and in the treatment of toxoplasmosis

Examples of pyrimethamine in a Sentence

Recent Examples on the Web

The outlet points out that the retail price for Daraprim (pyrimethamine) is still $750 a pill, up more than 5,000 percent from its previous price of $13.50 per pill. Beth Mole, Ars Technica, "Drug made famous by Shkreli’s 5,000% price hike is still $750 a pill," 4 May 2018 But these alternatives are shut down by the same mutations that make the parasites resistant to pyrimethamine. Ed Yong, The Atlantic, "Stopping the Rise of Superbugs by Making Them Fight For Food," 11 Dec. 2017

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

First Known Use of pyrimethamine

1952, in the meaning defined above

History and Etymology for pyrimethamine

pyrimidine + ethyl + amine

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The first known use of pyrimethamine was in 1952

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py·​ri·​meth·​amine | \ ˌpī-rə-ˈmeth-ə-ˌmēn How to pronounce pyrimethamine (audio) \

Medical Definition of pyrimethamine

: a folic acid antagonist C12H13ClN4 that is used in the treatment of toxoplasmosis and in the prevention and treatment of malaria

Note: Pyrimethamine is marketed under the trademark Daraprim.

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