One of the most common ailments of babies is diaper rash. Most of the time it can be treated with over-the-counter products, but occasionally a prescription medication is needed to clear it up. The medication most often prescribed is Mycostatin®. It is also available as a generic called nystatin. Mycostatin® is an anti-fungal and is available in both a cream and an ointment. Used topically, nystatin rarely causes any side effects. It should be applied liberally over the affected area. Nystatin is also used orally for babies with thrush. The brand name of the suspension is Nilstat®. It should be shaken well before using and does not need to be refrigerated. It works best when given after a feeding because it works on contact. The longer it stays there, the better it works. It is OK for a baby to swallow the medication; it is not absorbed into the body. Because it is not absorbed, the only adverse effects are sometimes stomach upset and diarrhea.

Note: This information is not meant to supersede physicians' instructions. If there are any questions on a prescription, contact the prescribing physician or a pharmacist.

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