Diaper Rash

How Do You Know When to Change a Diaper?

Change a diaper as soon as it is wet or soiled, and for a newborn, about every 2 to 3 hours even when you are not sure. A soiled diaper left on too long is the number one cause of diaper rash. Here is how to read it.

How often

The American Academy of Pediatrics puts newborn changes at 8 to 12 a day, roughly every 2 to 3 hours, and notes that changing every 3 to 4 hours or any time the diaper is soiled prevents most rashes. Older babies need fewer changes, but the rule stays the same: wet or dirty means change it.

How to tell without guessing

Most disposables have a wetness line that changes color. Beyond that, go by weight and feel, by smell, and by your baby's cues. Check before and after feedings and every couple of hours. When in doubt, look.

Poop gets changed right away

Always. Stool on the skin is the single biggest driver of rash and irritation, more than pee. Even a sleeping baby gets a poopy diaper changed.

Preventing the rash

Keep the skin clean and dry. Clean gently with water or a fragrance-free, alcohol-free wipe, pat dry instead of rubbing, and apply a thick layer of a zinc oxide or petroleum barrier cream at changes, as KidsHealth recommends. A few minutes of diaper-free air time helps. Fasten loosely so the skin can breathe.

Wet diapers are a health signal

After the first week, six or more wet diapers a day is a sign your baby is well hydrated. Far fewer than that, or a rash that does not improve in two to three days, blisters, or bright red raised bumps, is worth a call to your pediatrician.

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