According to Drugs.com, mupirocin is used in the treatment of skin infections. It is an antibacterial cream that ceases essential proteins from being made that are required for the survival of bacteria.
According to WebMD, side effects may include burning, itching, stinging or other pain on the skin while the body gets used to the medication. Many people who use mupirocin do not experience any serious side effects. According to Drugs.com, long-term usage of this medication may result in a second infection. Pregnant women should talk to their doctors about the risks and benefits of using mupirocin during pregnancy. Whether mupirocin can pass into breast milk is uncertain.