What is bacitracin?

Bacitracin is the active ingredient in over-the-counter (OTC) ointment products for self treatment of minor skin infections. It is also available by prescription in an ophthalmic ointment for eye infection and a powder for solution for intramuscular (IM) injection for lung infections caused by susceptible Staphylococci. Because bacitracin is active against gram-positive organisms only, the OTC ointment is often combined with either or both neomycin and polymyxin B, which are effective against gram-negative organisms.

Continue Learning about Antibiotic

Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.