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"Very fast and convenient. I first messaged Chris at 10:08am and I was picking up my prescriptions from the pharmacy at 10:52am same day! Cannot recommend enough!!!!"
"Fast, easy, no waiting, very professional. I recommend him to everyone."
"Easiest ever! Fast responses, so quick and simple."
"Messaged Chris he responded in a timely manner. Very professional. Easy to talk to about our concerns. It was nice to be able to stay at home and get quality care."
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Medication Guide — Patient Education
Mupirocin
Brand name: Bactroban
Everything you need to know about treating skin infections with mupirocin — how to apply it, what to expect, and when to call us.
Reviewed by Chris Woods, MSN, APRN, FNP-C — Board-certified nurse practitioner. Licensed in AZ, CO, GA, ID, IA, MT, NV, NM, NC, OR, UT. This guide reflects current clinical evidence and best practices as of 2026.
What is Mupirocin?
Mupirocin is a topical antibiotic ointment — you apply it directly to the skin. It works by stopping bacteria from making the proteins they need to grow and multiply. It's targeted treatment right where the infection lives.
Think of mupirocin as a precise tool. You're not taking it by mouth or getting it in your bloodstream — it stays where you put it, working on the skin infection. This means fewer side effects and fewer drug interactions compared to oral antibiotics. It's especially effective for impetigo and other surface-level bacterial skin infections.
Mupirocin has been a trusted treatment for decades. Doctors and providers know exactly how it works, what to expect, and how well it works. If your provider prescribed it, they're confident it will help clear your infection.
Conditions This Treats
Mupirocin is prescribed primarily for bacterial skin infections, especially those affecting the top layers of skin:
Applying mupirocin the right way makes all the difference in how well it works. Here's everything you need to know:
Detail
Instructions
How much
A small amount — about the size of a pea or grain of rice per sore or affected area
How often
3 times daily (morning, afternoon, evening)
For how long
5-10 days (your provider will specify based on your infection)
Before applying
Gently clean the area with soap and warm water. Pat dry. Wash your hands with soap and water.
Application
Apply a small amount directly to the sores or affected area. For impetigo, apply to sores and crusted areas. Rub in gently.
After applying
Wash your hands again (unless treating your hands). Can cover with a clean bandage if desired.
Finish your full course. Even if the area looks better in 3-5 days, complete the full treatment. Stopping early can let the infection come back or become resistant to the antibiotic. Finish every dose of every application cycle.
Side Effects
Since mupirocin is applied directly to skin, systemic (whole-body) side effects are rare. Most issues are local to the application area:
Common (usually mild)
Burning or stinging at the application site
Itching
Mild redness or irritation
Dry skin at the site
Headache (rare, if accidentally absorbed)
These side effects are usually mild and temporary. They often improve as your skin adjusts. If burning is severe, you can apply a bit less product or ask us about alternatives.
Serious (seek help)
Severe skin irritation or blistering at application site
Signs of allergic reaction (hives, swelling, difficulty breathing)
Secondary infection despite treatment (C. difficile if accidentally ingested — very rare)
Rash spreading beyond the original area despite treatment
Severe systemic reaction (dizziness, confusion)
Stop using mupirocin immediately if you experience any of these. Contact us right away or seek emergency care if symptoms are severe.
Stop & Seek Help If:
Skin getting worse despite treatment — more redness, spreading sores, or increasing size
Spreading redness or warmth around the area — may indicate deeper infection
Fever — suggests the infection may be deeper than topical treatment can reach
Severe allergic reaction — swelling, hives, difficulty breathing
No improvement after 3-5 days — may need oral antibiotics in addition
If in doubt, text us or call 911. Don't wait it out. We can quickly prescribe oral antibiotics if needed, or help you figure out what's going on.
Important Warnings & Safety Info
Keep these important points in mind when using mupirocin:
For External Use Only
Mupirocin is meant for skin use only. Do NOT put it in your eyes, nose, or mouth. If you accidentally get it in your eyes, rinse immediately with water. If you need mupirocin for nasal use (nasal impetigo or infected nares), ask your provider — there's a separate nasal formulation designed specifically for inside the nose.
Not for Large Open Wounds
Mupirocin works on intact skin and minor cuts — not on large open wounds, deep lacerations, or puncture wounds. These need professional medical care and possibly sutures. If you have a deep wound, see a provider in person or go to urgent care.
If Not Improving in 3-5 Days
Text us immediately. You may need oral antibiotics (like amoxicillin or another antibiotic) in addition to mupirocin. This is especially important for impetigo that covers a large area. Don't wait — we can prescribe stronger treatment quickly.
Pregnancy & Breastfeeding
Mupirocin is Category B during pregnancy (generally considered safe, minimal absorption). It's safe to use while breastfeeding — it's not absorbed systemically. But always tell your provider you're pregnant or breastfeeding before starting any new medication.
Allergies
If you have a documented allergy to mupirocin or any of its ingredients, don't use it. If you develop a rash or allergic reaction while using it, stop immediately and contact us. Cross-reactivity with other antibiotics is uncommon with topical mupirocin.
Storage & What to Do If You Miss a Dose
Storage
Store at room temperature (away from heat and moisture)
Keep in original container or tube
Do not refrigerate (unless specifically instructed)
Keep away from children and pets
Discard if expired or if requested to stop treatment
Missed Application
Apply it as soon as you remember
Unless it's close to your next dose — then skip and continue normally
Never apply extra amount to make up for a missed dose
Set phone reminders if you tend to forget applications
Text us if you're having trouble remembering
Frequently Asked Questions
Here are answers to the questions we hear most often from patients:
Mupirocin works best on intact skin or minor cuts and scrapes — not on large open wounds. If you have a deep wound, severe laceration, or puncture wound, it needs professional medical care first. Always clean the area gently with soap and water before applying mupirocin. If in doubt, text us for guidance.
You should start seeing improvement within 3-5 days of using mupirocin consistently. Most skin infections show visible signs of healing — less redness, crusting beginning to dry up, or sores starting to improve. If there's no improvement after 3-5 days, or if it's getting worse, text us. You may need oral antibiotics in addition to the topical cream.
Yes, mupirocin is safe for facial skin infections, including impetigo on the face. Just be extra careful not to get it in your eyes, nose, or mouth. If you do accidentally get it in your eyes, rinse immediately with water. For nasal infections, ask your provider — there's a separate nasal formulation of mupirocin designed specifically for nares (nasal passages).
You can, but you don't have to. Covering with a clean bandage can help keep bacteria out and prevent spread to other areas. It also keeps the area clean. However, leaving it uncovered (if the area is dry) is fine too. Just wash your hands before and after applying, and avoid touching the area with dirty hands.
If the infection is spreading, getting worse, or not improving after 3-5 days, text us immediately. You may need oral antibiotics — mupirocin alone won't work for deeper infections or more serious cases of impetigo. Don't wait this out. We can prescribe stronger treatment quickly.
Sources & References
FDA DailyMed — Mupirocin Prescribing Information. Updated 2024. DailyMed
Infectious Diseases Society of America (IDSA) Clinical Practice Guidelines. Skin and Soft Tissue Infections. 2024 Update.
UpToDate — Mupirocin: Drug Information. Lexicomp Editorial Team. Updated 2024.
American Academy of Dermatology (AAD). Impetigo and Other Bacterial Skin Infections: Patient Education. 2024.
Questions About Your Medication?
If something doesn't feel right or you have questions about your mupirocin treatment, reach out. We're here to help you clear the infection and stay safe.
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