Contact dermatitis often occurs in relation to a chemical burn or irritant, but it can occur for other reasons. Learn about the triggers and treatments for the condition.

People with photoallergic contact dermatitis, or photocontact dermatitis, develop rashes in sunlight. Photocontact dermatitis is a type of allergic contact dermatitis.

The patch-test result was negative, but the photopatch-test result showed photoallergic contact dermatitis from 6-methylcoumarin (++ reaction) and usnic acid (+ reaction) on the irradiated side ...

Plus, a small number of people experience photoallergic contact dermatitis, a skin reaction that occurs when the sun activates an ingredient found in sunscreen, perfume, or medication. [ 1 ] ...

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