What medicines should be avoided by patients suffering from “sulfa allergy”?

This updated Medicines Q&A evaluates the limited evidence available on cross-sensitivity between sulfonamide-containing medicines and lists classes of medication that contain a sulfonamide in their… Acetazolamide Allergy and immunology Almotriptan Amprenavir Bendroflumethiazide Brinzolamide Bumetanide Celecoxib Cidofovir Co-trimoxazole Dapsone Dapsone + Pyrimethamine Darunavir Dorzolamide Fosamprenavir Furosemide Glibenclamide Gliclazide Glimepiride Glipizide Indapamide Metolazone Naratriptan Parecoxib Probenecid Sulfadiazine Sulfasalazine Sultiame Sumatriptan Tamsulosin Tipranavir Tolbutamide Zonisamide