Which of the following is a topical sulfonamide ?: (A) Sulfadoxine, (B) Mafenide, (C) Sulfamethopyrazine, (D) None
Answer is B. Ans. is 'b' i.e., Mafenide Classfication of sulfonamides Sho acting - Sulfadiazine, Sulfisoxaxole, Sulfamethizole, Sulfacystine. Intermediate acting - Sulfamethoxazole. Long acting - Sulfadoxine, Sulfamethopyrazine. Topical Sulfonamides - Sulfacetamide sodium, Mafenide, silver sulfadiazine. Sulfonamide for RA and ulcerative colitis - Sulfasalazine.