Definition of "bacitracin" [bacitracin]

• A polypeptide antibiotic obtained from a strain of a bacterium (Bacillus subtilis) and used as a topical ointment in the treatment of certain bacterial infections, especially those caused by cocci. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Oral antibiotics will treat it, as will Bactroban but not bacitracin; you need the prescription strength four times a day topically."
• "It appears as honey-colored crusty lesions and can be treated with topical antibiotics like Bactroban (mupirocin—prescription-strength bacitracin) four times a day or oral antibiotics like amoxicillin-clavulanate (Augmentin) or erythromycin."
• "Not much I can do with my hair, she thought, applying the bacitracin to her face."