bacitracin zinc + polymyxin b

Bacitracin zinc + polymyxin b is a fixed-dose **ophthalmic antibiotic combination** used topically for superficial bacterial infections of the external eye and its adnexa, including conjunctivitis, keratitis, keratoconjunctivitis, blepharitis, and blepharoconjunctivitis caused by susceptible organisms. The product combines bacitracin zinc, a cyclic polypeptide antibiotic that inhibits bacterial cell wall synthesis, with polymyxin b, a polypeptide antibiotic that disrupts bacterial cell membrane integrity, providing complementary Gram-positive and Gram-negative antibacterial coverage. It is marketed as an ophthalmic ointment, including under the brand name Polycin, and has been associated with manufacturers such as Bausch & Lomb, Akorn, and Fougera.

Brand names

Polycin

Other names

bacitracin zinc and polymyxin b sulfate ophthalmic ointmentbacitracin zinc + polymyxin b sulfatebacitracin zinc + polymyxin b ophthalmic ointment