Sulfathiazole is a short-acting sulfa drug. It used to be a common oral and topical antimicrobial until less toxic alternatives were discovered. It is still occasionally used, sometimes in combination with sulfabenzamide and sulfacetamide. (en)
Sulfathiazole is effective against a wide range of gram positive and gram negative pathogenic microorganisms. Although no longer used in humans, it is used in cattle. (en)