All-purpose nipple ointment — often shortened to APNO — is a compounded ointment for the sore, cracked, or infected nipples that can come with breastfeeding. It brings three actions together in one preparation: mupirocin, an antibacterial; miconazole, an antifungal that targets yeast and thrush; and betamethasone, a corticosteroid that calms inflammation and soreness.
The same three-in-one ointment is also used for other rashes that involve bacteria, fungus, and inflammation at once, such as rashes in skin folds.
How does it work?
Sore nipples in breastfeeding can have more than one cause at the same time. Mupirocin limits bacteria, miconazole limits yeast and thrush, and betamethasone reduces inflammation, redness, and pain. See MedlinePlus on mupirocin, betamethasone, and miconazole.
What is it used for?
It is most often used for painful, cracked, or damaged nipples during breastfeeding, including when a yeast or bacterial component is suspected. Providers also use the same ointment for other mixed rashes — for example, intertrigo in skin folds or dermatitis with a suspected infection. These uses are decided case by case and are typically off-label.
Why is it called “all-purpose”?
Nipple pain while breastfeeding rarely has a single cause — the skin can be inflamed while bacteria and yeast are both present. Combining an antibacterial, an antifungal, and an anti-inflammatory steroid lets one ointment address that mixed picture, which is how it earned the “all-purpose” name.
How is it used?
It is usually applied as a thin layer to the nipple and areola after each feed. In many cases it does not need to be wiped off before the next feed, but your provider sets the exact amount, how often to apply it, and how long to continue — follow the directions on your prescription label.
Side effects & safety
For external use only; avoid the eyes, nose, and mouth. Because it contains a corticosteroid, providers usually limit how much and how long it is used, since steroids can thin the skin with prolonged use. If yeast is involved, your provider may also treat the baby, since thrush can pass back and forth. Tell your provider if the pain or rash worsens or does not improve. See MedlinePlus on mupirocin, betamethasone, and miconazole.
Who should not use it?
It is not for viral skin lesions and should not be used by anyone allergic to mupirocin, betamethasone, miconazole, or other ingredients in the preparation. Share your full history with your provider, including anything your baby is being treated for, and follow their guidance.
How should it be stored?
Store at room temperature away from heat and moisture unless your label says otherwise. Keep it out of reach of children, and do not use it past the beyond-use date on the container.
Why is this compounded?
Because no manufactured product combines these three active ingredients, a compounding pharmacy prepares them together at the strengths a provider specifies — which is what makes an all-purpose nipple ointment possible.
Clinical details for prescribers
Regulatory status. None of the components is a controlled substance. Each active is FDA-approved as a single-agent product, but the triple combination for nipple use (the 'all-purpose nipple ointment') is not FDA-approved and is available only through 503A compounding; use during lactation is off-label.
Formulation & dosing. Most commonly compounded as mupirocin 1% / betamethasone dipropionate 0.05% / miconazole 2% cream, dispensed in 30 g; custom ratios on request. Commonly reported directions are to apply sparingly to the nipples and areolae after each feeding, without washing off before nursing; the sparing application keeps infant exposure minimal. Reassess if not improved within 1–2 weeks.
Counseling / clinical points:
- Address the underlying cause in parallel — latch assessment and lactation support remain first-line
- Counsel to apply a thin layer only; potent topical corticosteroids can cause skin atrophy with prolonged use, so limit treatment duration
- If symptoms persist, consider culture for bacterial or fungal resistance and re-evaluate for dermatitis or vasospasm
- Fever, spreading erythema, or a breast mass warrants evaluation for mastitis or abscess
The combination targets the bacterial, fungal, and inflammatory components of persistent nipple pain in one preparation.
All-purpose nipple ointment is a compounded medication and is not FDA-approved. This information is educational and is not medical advice. Your provider determines whether it is appropriate and sets the dose.
