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Allergic contact dermatitis (ACD) is a form of contact dermatitis that is the manifestation of an allergic response caused by contact with a substance; the other type being irritant contact dermatitis (ICD). Although less common than ICD, ACD is accepted to be the most prevalent form of immunotoxicity found in humans. [1]
Urushiol-induced contact dermatitis (also called Toxicodendron dermatitis or Rhus dermatitis) is a type of allergic contact dermatitis caused by the oil urushiol found in various plants, most notably sumac family species of the genus Toxicodendron: poison ivy, poison oak, poison sumac, and the Chinese lacquer tree. [1]
Contact dermatitis is a type of acute or chronic inflammation of the skin caused by exposure to chemical or physical agents. [1] Symptoms of contact dermatitis can include itchy or dry skin, a red rash, bumps, blisters, or swelling. These rashes are not contagious or life-threatening, but can be very uncomfortable.
Intermittent use of topical steroids for atopic dermatitis is safe and does not cause skin thinning. [6] [7] [8] Skin atrophy can occur with both prescription and over the counter steroids creams. [9] Low doses of prednisone by mouth can also result in skin atrophy.
Topical steroid withdrawal, also known as red burning skin and steroid dermatitis, has been reported in people who apply topical steroids for 2 weeks or longer and then discontinue use. [ 4 ] [ 5 ] [ 2 ] [ 1 ] Symptoms affect the skin and include redness, a burning sensation, and itchiness, [ 2 ] which may then be followed by peeling.
Some recommend using the topical steroid for 3 consecutive days on, followed by 4 consecutive days off. [10] Long-term use of topical steroids can lead to secondary infection with fungus or bacteria (see tinea incognito), skin atrophy, telangiectasia (prominent blood vessels), skin bruising and fragility. [11]
Stasis dermatitis, allergic contact dermatitis, acute irritant contact eczema and infective dermatitis have been documented as possible triggers, but the exact cause and mechanism is not fully understood. [7] Several other types of id reactions exist including erythema nodosum, erythema multiforme, Sweet's syndrome and urticaria. [3]
Triamcinolone is used to treat many different medical conditions, such as eczema, alopecia areata, lichen sclerosus, psoriasis, arthritis, allergies, ulcerative colitis, lupus, sympathetic ophthalmia, temporal arteritis, uveitis, ocular inflammation, keloids, urushiol-induced contact dermatitis, aphthous ulcers (usually as triamcinolone acetonide), central retinal vein occlusion, visualization ...