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Mupirocin

Brand names: Bactroban

Mupirocin is a prescription antibiotic ointment for impetigo and other small skin infections.

Brand namesBactroban
Type of medicineAntibiotic ointment
Prescription?Prescription
ImportantThis page is general information, not a prescription. Don't start, stop, or change a medicine without talking to your provider or pharmacist.

Overview

It's also used inside the nose to clear staph germs, including MRSA, in some people.

What it's used for

  • Impetigo
  • Small infected cuts and sores
  • Clearing staph from the nose (nasal form)

How to take it

  • Gently wash the area, then apply a small amount, usually 3 times a day. You may cover it with gauze.
  • Wash your hands before and after, unless you're treating your hands.
  • Call your provider if it isn't better in 3 to 5 days.

Your dose depends on your health and other medicines. Always follow your prescription label, and ask your pharmacist if anything is unclear.

Side effects

Common side effects

  • Burning, stinging, or itching where applied
Call 911Swelling of the face, lips, or throat, hives, or trouble breathing
Call your provider todaySpreading redness, warmth, or fever

Warnings

  • Don't use for more than 10 days unless directed.
  • Keep it out of the eyes.

Other medicines, foods, and alcohol

  • Don't put other creams on the same spot at the same time.

Tell your provider and pharmacist about every medicine, vitamin, and supplement you take.

Pregnancy and breastfeeding

Little is absorbed; ask your provider.

Missed doses, overdose, and storage

If you miss a dose

Apply it when you remember, then go back to your usual schedule. Don't apply extra to make up for it.

If someone takes too much

Call Poison Control at 1-800-222-1222 or get help online at poison.org. Call 911 if the person collapses, has a seizure, has trouble breathing, or can't be woken.

Storing it

Store at room temperature, away from heat and moisture (not in the bathroom), and out of reach of children and pets.

Conditions it's used for

Sources

Last updated 2026-11-13.