Answers by TheMediTary.Com - Last updated: 13-Jul-2023
Mupirocin is an antibacterial and will only help if the diaper rash has become infected with bacteria. This is unlikely. Diaper rash most often gets infected with a yeast or a fungus called Candida.
Mupirocin should only be used on the recommendation of your doctor.
https://www.drugs.com/cg/diaper-rash.html
https://www.drugs.com/mtm/mupirocin-topical.html