What is mupirocin ointment used to treat?

Mupirocin comes as a 2% cream and ointment. Mupirocin cream is FDA approved to treat bacterial staph and strep skin infections in adults and kids age 3 months and older. Mupirocin ointment is also approved to treat impetigo (a contagious skin infection) in adults and kids age 2 months and older. Impetigo is typically caused by staph or strep bacteria.