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Eczema is much less frequent in adolescence than in the first years of childhood. In teen-agers it usually causes a thickening, dryness, and redness of the skin. Itching, and at times pain, may accompany the rash. At this age, eczema is most frequently found in the folds of the elbows and knees and on the wrists. Another common location is the back of the neck and ears.

Eczema may bring scaling of the skin. At times there is marked splitting of the skin and sometimes blisters appear, filled with clear fluid or pus.The cause of eczema is usually an allergy. Though in infancy, the allergens (allergy causers) are nearly always foods, in later years the eczema is just as likely to be a reaction to wool, nylon, or other materials. Reactions to various plants can also cause the rash. The reactions may be from touching the plants or from inhaling their pollens.

The emotions can play an important role in eczema. If a person is anxious or tense, he is more likely to scratch and pick at the lesions. This can lead to trouble from secondary bacterial infections, or just from the mechanical irritation and injury to the skin. When the eczema has a nervous or emotional root, the medical term for it is neurodermatitis. Read the rest of this entry »