Contact dermatitis is an allergic skin reaction to an irritant or allergen. The reaction can appear as a rash, blisters, burning or itching. Hives are red, itchy welts or bumps that don’t usually last long. Contact dermatitis can be triggered by skin contact with a variety of allergens or irritants. Plants like poison ivy, poison oak and poison sumac are common triggers. Household products like hair dyes, cosmetics, soaps and lotions can also trigger contact dermatitis. If you’ve experienced sensitivity, try avoiding products with strong fragrances or chemical smells.
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