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Red Blanchable : Erythema

Localized, blanchable redness of skin or mucous membrane.

Erythema and erythroderma will blanch because the color (ie, redness) is due to increased blood flow, not leakage of blood into the skin, as in purpura.

Erythema on the upper chest and neck in dermatomyositis

Erythema on the upper chest and neck in dermatomyositis

Erythema of the eyelids of a dark-skinned individual with dermatomyositis appears as a deep violaceous color

Erythema of the eyelids of a dark-skinned individual with dermatomyositis appears as a deep violaceous color

Erythema of cheek in erysipelas

Erythema of cheek in erysipelas

Erythematous patch in Lyme disease

Erythematous patch in Lyme disease