Skin Rash Eczematous Pruritic/Scaly/Erythematous lesions Usually poorly demarcated Examples: Atopic Dermatitis* (Eczema) Erythematous papules and vesicles Chronic lichenification Age-dependent distribution: Infants: scalp, face, extensor extremities Children: flexural areas Adults: flexural areas/hands/face/nipples Papulosquamous Erythematous or violaceous papules & plaques with overlying scale Examples: Nummular Dermatitis (Discoid Eczema) Coin-shaped (discoid) erythematous plaques Usually on lower legs Vesiculobullous Blisters containing non-purulent fluid Examples: Dyshidrotic Eczema (Pompholyx) Deep-seated tapioca-like vesicles on hands/feet/sides of digits Pustular Blisters containing purulent fluid Examples: Contact Dermatitis Well-demarcated erythema, papules, vesicles, erosions Scaling confined to area of contact Reactive Reactive rash with various morphology Examples: Seborrheic Dermatitis* Yellowish-red plaques with greasy distinct margins On scalp/face/central chest folds Scabies Erythematous papules and vesicles distributed over hands and skin folds Burrow may be present *Indicates Key Condition This is not an exhaustive list of medical conditions

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