Diagnosis and Management of Contact Dermatitis - AAFP
2010年8月1日 · Irritant contact dermatitis is caused by the non–immune-modulated irritation of the skin by a substance, leading to skin changes. Allergic contact dermatitis is a delayed...
IRRITANT AND ALLERGIC CONTACT DERMATITIS – SKIN …
Contact dermatitis (CD) is an inflammatory skin disease caused by chemicals or metal ions that exert irritant (toxic) effects, or by small reactive chemicals (contact allergens) that modify proteins and induce immune responses (predominantly by T-cell response) (1).
Contact Dermatitis: Allergic Vs. Irritant - Olansky Dermatology ...
2018年1月8日 · Allergic contact dermatitis is caused when you come in direct contact with an allergen such as jewelry (nickel), fragrances, dyes, natural rubbers or plants (poison ivy). This typically presents as a delayed reaction on the skin, or about 12 to 72 hours after coming in contact with the substance.
Contact dermatitis - Symptoms and causes - Mayo Clinic
2024年5月2日 · 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. The rash often shows up within days of exposure.
Contact Dermatitis - StatPearls - NCBI Bookshelf
2023年9月4日 · Irritant contact dermatitis is a nonspecific response of the skin to direct chemical damage that releases mediators of inflammation predominantly from epidermal cells while allergic contact dermatitis is a delayed (type 4) hypersensitivity reaction to exogenous contact antigens.
Irritant contact dermatitis
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: Symptoms, Causes, Types & Treatments - Cleveland Clinic
Contact dermatitis is a rash on your skin that develops when you come into contact with something you’re allergic to or something that irritated your skin. The rash can swell and be itchy and uncomfortable.
Irritant Contact Dermatitis — a Review - PMC - PubMed Central …
Irritant contact dermatitis is the most common form of contact dermatitis and the most common occupational skin disease. This review provides a comprehensive summary of the endogenous and exogenous factors that play a role in the pathogenesis of irritant contact dermatitis.
Allergic and irritant contact dermatitis - PubMed
Irritant and allergic contact dermatitis are common inflammatory skin diseases induced by repeated skin contact with low molecular weight chemicals, called xenobiotics or haptens. Although both diseases may have similar clinical presentations, they can be differentiated on pathophysiological grounds …
Contact dermatitis: MedlinePlus Medical Encyclopedia
2023年7月1日 · Contact dermatitis is a condition in which the skin becomes red, sore, or inflamed after direct contact with a substance. There are 2 types of contact dermatitis. Irritant dermatitis: This is the most common type. It is not caused by an allergy, but rather the skin's reaction to irritating substances or friction.