If your baby’s smooth skin is marred by a bumpy red rash, it could be eczema. Eczema is common in infants–about 20 percent of young children develop the aggravating skin condition. Here’s why it happens and how to relieve the itch.

Why babies get eczema

There are many causes of dry or irritated skin in babies, says Dr. Jennifer Shu, a pediatrician in Atlanta, including cold or dry air, sensitivity to lotion, soap or clothing, too much bathing, baby acne and eczema.

Your baby is at a higher risk for developing eczema if he has a close relative with the skin condition. Eczema can be triggered by allergens in your child’s diet, as well as irritants like wool, heat, changes in temperature or chemicals in soaps, lotions and detergents.

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• What infant eczema looks like >