Co-trimoxazole
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Choosing medicines in sulfonamide hypersensitivity
9 September 2026People allergic to one sulfonamide antibiotic should avoid other sulfonamide antibiotics. We advise on prescribing non-antibiotic sulfonamides in this situation
Using solid oral dosage form antibiotics in children
3 March 2026Information for off-label crushing, dispersing or opening solid oral antibiotics in children when licensed suspension formulations aren’t available.
Managing interactions with methotrexate
30 June 2025Guidance on frequently asked questions on medicine interactions with low dose methotrexate.