Framycetin sulfate, also known as neomycin B, is an aminoglycoside antibiotic commonly used in topical formulations for the treatment of bacterial infections. It exhibits broad-spectrum antibacterial activity against Gram-positive and Gram-negative bacteria by interfering with protein synthesis in bacterial cells. Framycetin sulfate is valued for its efficacy in managing skin infections, burns, wounds, and other localized bacterial conditions.