Use
Gramicidin S has historically been employed as a topical antibiotic for the treatment of infections from superficial wounds. It exhibits strong antibiotic activity against a broad spectrum of Gram negative and Gram-positive bacteria and against several pathogenic fungi. Like Gramicidin D, Gramicidin S causes hemolysis at low concentrations, thus is not an effective drug for the treatment of systemic infections. Additionally, Gramicidin S has been employed as a spermicide and therapeutic for genital ulcers caused by sexually transmitted disease.
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