All of the following are topically used sulphonamides except -: (A) Sulphacetamide, (B) Sulphadiazine, (C) Silver sulphadiazine, (D) Mafenide
Answer is B. Ans is 'b' i.e., Sulphadiazine Topical Sulfonamides - Sulfacetamide sodium, Mafenide, silver sulfadiazine.