Trimethoprim (as sulfate) 1 mg, polymyxin B sulfate 10000 Units/mL; oph. soln; contains benzalkonium chloride. Trimethoprim is a synthetic antibacterial drug active against a wide variety of ...

Sulfamethoxazole 80mg, trimethoprim 16mg; per mL; contains sulfites, benzyl alcohol. Sulfamethoxazole inhibits bacterial synthesis of dihydrofolic acid by competing with para-aminobenzoic acid (PABA).

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