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Eczema
Most kids get itchy rashes at one time or another. But eczema can be a nuisance that may prompt scratching that can only make the problem worse.
The term eczema refers to a number of different skin conditions in which the skin is red and irritated and occasionally results in small, fluid-filled bumps that become moist and ooze. The most common cause of eczema is atopic dermatitis, sometimes called infantile eczema although it occurs in infants and older children.
The word "atopic" describes conditions that occur when someone is overly sensitive to allergens in their environment such as pollens, molds, dust, animal dander, and certain foods. "Dermatitis" means that the skin is inflamed, or red and sore.

Kids who get eczema often have family members with hay fever, allergies. Some scientists think these children may be genetically predisposed to get eczema, which means characteristics have been passed on from parents through stress) can also trigger the condition.
About one out of every 10 kids develops eczema. Typically, symptoms appear within the first few months of life, and almost always before a child turns 5. But the good news is that more than half of the kids who have eczema today will be over it by the time they're teenagers.
What Are the Signs and Symptoms?
Signs and symptoms of eczema can vary widely during the early phases. Between 2 and 6 months of age (and almost always before the age of 5 years), children with eczema usually develop itchy, dry, red skin and small bumps on their cheeks, forehead, or scalp. The rash may spread to the extremities (the arms and legs) and the trunk, and red, crusted, or open lesions may appear on any area affected.
Kids with eczema may also experience circular, slightly raised, itchy, and scaly rashes in the bends of the elbows, behind the knees, or on the backs of the wrists and ankles.
As children get older, the rash is usually less oozy and scalier than it was when the eczema first began, and the skin is extremely itchy and dry. These symptoms also tend to worsen and improve over time, with flare-ups occurring periodically.
Children often try to relieve the itching by rubbing the affected areas with a hand or anything within reach. But scratching can make the rash worse and can eventually lead to thickened, brownish areas on the skin. This is why eczema is often called the "itch that rashes" rather than the "rash that itches."
How Long Does It Last?
In many cases, eczema goes into remission and symptoms may disappear altogether for months or even years.
For many children, the condition begins to improve by the age of 5 or 6; but others may experience flare-ups throughout puberty when hormones, stress, and irritating skin products or cosmetics are introduced (or due to other factors that scientists don't yet understand). And some people will experience some degree of dermatitis into adulthood, experiencing areas of itching and a dry, scaly appearance.
Is It Contagious?
Eczema is not contagious, so there's no need to keep a baby or child who has it away from siblings, other children, or anyone else.
Can It Be Prevented?
Scientists believe that eczema is
pollen
mold
dust
animal dander
dry winter air with little moisture
allowing the skin to become too dry
certain harsh soaps and detergents
certain fabrics (such as wool or coarsely woven materials)
certain skin care products, perfumes, and colognes (particularly those that contain alcohol)
tobacco