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Medicines pyrimethamineQuestion & answer

pyrimethamine · Medicine question

What is the mean elimination half-life of pyrimethamine?

iatroX medicinesPublished 8 November 2026

The answer

Answer

Pyrimethamine has a mean elimination half-life of 85 hours; in patients with AIDS, an elimination half-life of 139 ± 34 hours is reported.

Sources for this answer

Daraprim TabletsGlaxoSmithKline UK · emc · SmPC §5.2 Pharmacokinetic properties · Version 23Document updated 2 January 2026

Sources checked 8 November 2026

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pyrimethamine

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