Neonatal acne occurs on the face, especially the cheeks and forehead but can also be seen on the scalp, upper chest and back. Small red bumps, sometimes with pus are usually seen. Sometimes there are black heads and white heads
The skin in the diaper area becomes red. If severe, erosions may develop. If caused by irritation from stools and urine, usually the convex surfaces of the diaper area are affected. If caused by tight-fitting diapers, the folds are usually affected. If there is secondary fungal infection, “satellite” lesions and small pustules are seen. If there is secondary bacterial infection, the skin can become oozy and crusty.