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Irritant contact dermatitis develops when chemical or physical agents damage the skin surface faster than the skin can repair. Irritants remove oils and natural moisturising factor from the outer layer of the skin, allowing chemical irritants to penetrate the skin barrier and trigger inflammation.
Contact dermatitis is an itchy rash caused by direct contact with a substance or an allergic reaction to it. The rash isn't contagious, but it can be very uncomfortable. Many substances can cause this reaction, such as cosmetics, fragrances, jewelry and plants.
Irritant contact dermatitis: This painful rash tends to come on quickly in response to an irritating substance. Common irritants include detergents, soap, cleaners and acid. Irritant contact dermatitis occurs more often than allergic contact dermatitis.
Irritant contact dermatitis (ICD) is a localized, inflammatory skin response to a wide range of chemical or physical agents [1]. ICD results from direct cytotoxic effect of irritants and, unlike allergic contact dermatitis, is not immune mediated and does not require prior sensitization.
Neomycin and bacitracin applied to the areas of stasis dermatitis and leg ulcers may be the cause of allergic contact dermatitis on the legs and feet. Topical neomycin and corticosteroids can lead to allergic contact dermatitis in patients with otitis externa.
Contact with certain substances, such as poison ivy, skin lotions and detergents, can cause an itchy rash. Here's how to manage this common form of dermatitis.
Irritant contact dermatitis is caused by skin injury, direct cytotoxic effects, or cutaneous inflammation from contact with an irritant. Symptoms may occur immediately...