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Dermatitis, also known as eczema, is a group of skin conditions that cause inflammation, itching, and rashes. Learn more about its types, causes, and treatments on Wikipedia.
Atopic dermatitis. Atopic dermatitis ( AD ), also known as atopic eczema, is a long-term type of inflammation of the skin. [ 2] AD is also often called simply eczema but the same term is also used to refer to dermatitis, the larger group of skin conditions. [ 2][ 5] AD results in itchy, red, swollen, and cracked skin. [ 2]
Seborrhoeic dermatitis. Seborrhoeic dermatitis (also spelled seborrheic dermatitis in American English) is a long-term skin disorder. [ 4] Symptoms include flaky, scaly, greasy, and occasionally itchy and inflamed skin. [ 2][ 3] Areas of the skin rich in oil -producing glands are often affected including the scalp, face, and chest. [ 4]
Contact dermatitis is a localized rash or irritation of the skin caused by contact with a foreign substance. Only the superficial regions of the skin are affected in contact dermatitis. Inflammation of the affected tissue is present in the epidermis (the outermost layer of skin) and the outer dermis (the layer beneath the epidermis).
Perioral dermatitis, also known as periorificial dermatitis, is a common type of inflammatory skin rash. [ 2] Symptoms include multiple small (1–2 mm) bumps and blisters sometimes with background redness and scale, localized to the skin around the mouth and nostrils. Less commonly, the eyes and genitalia may be involved. [ 3]
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]
Dermatitis herpetiformis. Dermatitis herpetiformis ( DH) is a chronic autoimmune blistering skin condition, [ 3] characterised by intensely itchy blisters filled with a watery fluid. [ 4] DH is a cutaneous manifestation of coeliac disease, [ 5] although the exact causal mechanism is not known. DH is neither related to nor caused by herpes virus ...
Dermatophytosis (Ringworm) Nummular dermatitis (commonly known as nummular eczema or discoid eczema) is one of the many forms of dermatitis. [ 1] It is characterized by round or oval-shaped itchy lesions. [ 2] The name comes from the Latin word " nummus ," which means "coin."