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Signs and Symptoms of Contact Dermatitis

Acute eruptions of allergic contact dermatitis are characterized by redness, swelling, and blistering of the exposed areas. As the eruption evolves, crusts and scales may form. In chronic conditions, the skin darkens, thickens, and often cracks. The eruption may not be characteristic, however, and the diagnosis may not be immediately obvious.

The shapes and locations of allergic contact dermatitis provide the most helpful diagnostic clues. Lesions c...Read the full article