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Dermatitis: Atopic Dermatitis
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Dermatitis is a skin disorder that is characterized by itchiness and inflammation of the skin. The most common types of dermatitis that affect adolescents include atopic dermatitis, seborrheic dermatitis and contact dermatitis. Poison ivy, oak and sumac are forms of contact dermatitis and are discussed in another chapter.
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Eczema (atopic dermatitis) is often seen in association with other atopic conditions, such as hay fever, asthma, or hives, but is generally not triggered by pollen or other airborne irritants. The disease often runs a chronic course. The term "atopic" is derived from the Greek word atopos, which means "away from the place." It describes a family of sensitivities to ordinary substances to which most people have no reaction. Hence, the sensitivity is "out of place". When the disease starts in infancy, it is sometimes called infantile eczema. This is a red, itching, oozing, crusting dermatitis that tends to be localized primarily on the face and scalp, although spots can appear at other sites.
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Atopic dermatitis is very common. It affects males and females and accounts for 10 to 20 percent of all visits to dermatologists (doctors who specialize in the care and treatment of skin diseases). Although atopic dermatitis may occur at any age, it most often begins in infancy and childhood. Scientists estimate that 65 percent of patients develop symptoms in the first year of life, and 90 percent develop symptoms before the age of 5. Onset after age 30 is less common and is often due to exposure of the skin to harsh or wet conditions. Atopic dermatitis is a common cause of workplace disability.
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Dermatitis is a general term that describes an inflammation of the skin. There are different types of dermatitis, including seborrheic dermatitis and atopic dermatitis (eczema). Though the disorder can have many causes and occur in many forms, it usually involves swollen, reddened and itchy skin.
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When atopic dermatitis occurs during infancy and childhood, it affects each child differently in terms of both onset and severity of symptoms. In infants, atopic dermatitis typically begins around 6 to 12 weeks of age. It may first appear around the cheeks and chin as a patchy facial rash, which can progress to red, scaling, oozing skin. The skin may become infected. Once the infant becomes more mobile and begins crawling, exposed areas, such as the inner and outer parts of the arms and legs, may ... be affected. An infant with atopic dermatitis may be restless and irritable because of the itching and discomfort of the disease.
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Atopic dermatitis is a disease that causes itchy, inflamed skin and typically affects the insides of the elbows, backs of the knees, and the face. Often... it covers most of the body. Atopic dermatitis falls into a category of diseases called atopic, a term originally used to describe the allergic conditions asthma and hay fever. Atopic dermatitis was included in the atopic category because it often affects people who either suffer from asthma and/or hay fever or have family members who do. Physicians often refer to these three conditions as the “atopic triad.”
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Atopic Dermatitis