DR P. MARAZZI / SCIENCE PHOTO LIBRARY DR P. MARAZZI / SCIENCE PHOTO LIBRARY
Allergic contact dermatitis (ACD). Inflamed red (erythema) rash on the shins of a 7-year-old boy, caused by wearing football shin pads. ACD arises from an induced sensitivity (allergy), as opposed to the direct damage of contact dermatitis. Treatment involves avoiding the cause and using corticosteroid drugs for the rash.
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