pyrimethamine

[pahy-ruh-meth-uh-meen, -min]

noun

Pharmacology.

1. a potent substance, C 1 2 H 1 3 ClN 4 , used against susceptible plasmodia in the prophylactic treatment of malaria and against Toxoplasma gondi in the treatment of toxoplasmosis.

Word History and Origins

Origin of pyrimethamine¹

First recorded in 1950–55; pyrim(idine) + eth(yl) + -amine

Example Sentences

They also argued that other companies had been able to buy the key ingredient, pyrimethamine, contradicting an FTC allegation.

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This drug was then changed to sulfadoxine/pyrimethamine in the early 2000’s and resistance occurred.

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In 2012, the World Health Organization recommended the strategy with three old drugs — sulphadoxine, pyrimethamine and amodiaquine — so that the only sure-fire cure for malaria, artemisinin, would remain effective.

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Pyrimethamine is used to treat the parasitic diseases toxoplasmosis and isosporiasis.

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Participants received pyrimethamine for nine months.

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