Adult
Pyrimethamine
Warning
General Information
Anti-protozoal
Restricted formulary antimicrobial: For details see OUH netFormulary
For all information regarding interactions, contraceptions, pregnancy and breastfeeding and additional information, see BNF
Standard dose
See ocular toxoplasmosis guideline
For other indications, contact micro/ID for advice
Obesity
No data available, use standard dosing.
Renal and hepatic impairment
Renal impairment
No data available, use standard dosing.
Hepatic impairment
Manufacturer advises caution in hepatic impairment
References
- British National Formulary. Pyrimethamine. BNF online. Accessed via https://bnf.nice.org.uk/drugs/pyrimethamine/ Accessed 29/05/26.
- GlaxoSmithKline UK. Daraprim (pyrimethamine). Summary of Product Characteristics.. Available at: https://www.medicines.org.uk/emc/product/938/smpc#gref Accessed 28/05/26.
- Sanfordguide.com. Sanford Guide. Last updated: 08/05/26. Available at: https://web.sanfordguide.com/en/drug-information/antiparasitic-agents/antimalarials/pyrimethamine Accessed 2/05/26.
- The Renal Drug Database. Pentamidine. Last updated 23/09/24. Available at: https://www.renaldrugdatabase.com/s/article/PYRIMETHAMINE 29/05/26.