Diaper rash - Diagnosis and treatment - Mayo Clinic
The best treatment for diaper rash is to keep your baby's skin as clean and dry as possible. If your baby's diaper rash persists despite home treatment, your doctor may prescribe: A mild hydrocortisone (steroid) cream; An antifungal cream, if your baby has a fungal infection; Topical or oral antibiotics, if your baby has a bacterial infection