Drug reference
pyrimethamine
For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.
Drug class
Anti Parasitic (Anti Malaria)
Mechanism of action
Folic acid antagonist
Common side effects
- Anaphylaxis
- Abdominal cramps
- Abnormal skin pigmentation
- Arrhythmias (large doses)
Contraindications
- Megaloblastic or folate-deficiency anemia
Related conditions
Frequently asked questions
What drug class is pyrimethamine?
pyrimethamine belongs to: Anti Parasitic.
How does pyrimethamine work?
Folic acid antagonist
What are the common side effects of pyrimethamine?
Anaphylaxis, Abdominal cramps, Abnormal skin pigmentation, Arrhythmias (large doses)
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