Which of the following medications is contraindicated in patients with allergy to sulphonamides?
Acetazolamide, Dorzolamide and Brinzolamide are sulfonamide derivatives which act by inhibiting carbonic anhydrase (carbonic anhydrase inhibitor). Being sulphonamide derivatives they are contraindicated in patients with allergy to sulphonamides. Ref: Essentials of Pharmacology By K D Tripathi, 5th Edition, Pages 188, 553; Medicinal Chemistry By Sriram, Page 227.
Levobunolol
Bimatoprost
Brinzolamide
Brimonidine