Pressure ulcer

Pressure ulcer (PU), also known as decubitus ulcer and pressure ulcer, is a type of skin and/or tissue injury confined……

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Abnormal pigmentation

Refers to atypical skin discoloration from excessive or reduced melanin, caused by inflammation, hormones, genetics, or drugs. It present…

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Seborrheic dermatitis

Seborrheic dermatitis is a chronic scalp inflammation with excess oil, redness, itching and scaling. It often causes seborrheic alopecia, li…

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Alopecia areata

Alopecia areata is an autoimmune non-scarring hair loss disorder, characterized by sudden round or oval bald patches with clear borders, usu…

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Hair loss

Hair loss refers to excessive or abnormal shedding of hair. Losing more than 100 hairs daily is often pathological. It is mainly caused by g…

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rash

A localized skin lesion with varied manifestations like erythema, papules, blisters or itching. Caused by infection, allergy, immunity di…

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