#askdoctors red red rash like things come and go through out body since last one month, unable to identify what it is.

A. Cause of Eczema Flare-ups are from skin contact with soap, shampoo, pollen or other irritating substances. About 30% of babies with severe eczema also have food allergies. The most common is cow's milk. Over 10% of children have eczema.