Answer
Nausea, vomiting and diarrhoea are listed as very common adverse reactions to pyrimethamine, although frequencies are estimates, the contribution of concomitant sulphonamides is unknown, and some events may relate to the underlying disease.
Sources for this answer
- Daraprim TabletsGlaxoSmithKline UK · emc · SmPC §4.8 Undesirable effects · Version 23Document updated
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