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  1. 1First, know which type of diaper rash your baby has. Bacterial infections may cause yellowish bumps and fluid-filled bumps, sores with pus, and a honey crusted area on the baby's bottom. A yeast rash will be bright red, with small red pimples that radiate out from the border of the rash. You'll also see redness in the folds and creases of the baby's skin. A rash that's caused by irritation from pee and poop will mostly be confined to the diaper area.
  2. 2For simple irritation, use a protective barrier cream, such as zinc oxide or petroleum jelly. Bacterial infections are most likely staph or strep and require an antibiotic to clear them up. For yeast, check with your pediatrician. You’ll need an over-the-counter or prescription anti-yeast cream to clear up the rash.
  3. 3Always keep your baby extremely clean and dry for the rash to heal. Avoid wipes and use warm water and mild soap instead. Air dry the area as often as possible, and always keep diapers a bit loose while your baby is healing to allow air circulation.
  4. 4If you use powders, make sure you apply them well away from baby’s face. Talc can injure a baby’s lungs, and yeast love to eat corn starch. Another option is asking your pediatrician about using an over-the-counter steroid cream to reduce redness and irritation.
  5. 5If your baby’s rash isn’t getting better within a few days, or if your baby also has a fever or is lethargic, call your pediatrician right away.
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