Microinch is a length measurement unit. A microinch (Âµin) is a non-SI (non-System International) measurement unit of length or distance, and equal to one millionth of an inch (0.000001 inch).ORT?
Responses (2) Mupirocin is an antibacterial so it won't work on cold sores, which is a viral infection. For what its worth i had a cold sore the size of a dime last week and after 4 days of mupirocin it almost completely vanished. I have never got rid of a cold sore so quickly.
Dr. Ally-Khan Somani Dr. Somani. Topical Antibiotic: Mupirocin (bactroban) is used to treat bacterial infections. It works by killing bacteria or preventing their growth. Mupirocin ointment is applied to the skin to treat impetigo. It may also be used for other bacterial skin infections.