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Erythema (Ancient Greek: ἐρύθημα, from Greek erythros 'red') is redness of the skin or mucous membranes, caused by hyperemia (increased blood flow) in superficial capillaries. [1] It occurs with any skin injury, infection, or inflammation. Examples of erythema not associated with pathology include nervous blushes. [2]
The "slapped cheek" appearance of the rash can be suggestive of fifth disease, however, the rash can be mistaken with other skin related disease or infections. Many other viral rashes, like measles, rubella, roseola, and scarlet fever, can look similar to erythema infectiosum.
A malar rash (from Latin mala 'jaw, cheek-bone'), also called butterfly rash, [1] is a medical sign consisting of a characteristic form of facial rash. It is often seen in lupus erythematosus . More rarely, it is also seen in other diseases, such as pellagra , dermatomyositis , and Bloom syndrome .
A maculopapular rash is a type of rash characterized by a flat, red area on the skin that is covered with small confluent bumps. It may only appear red in lighter-skinned people. The term "maculopapular" is a compound: macules are small, flat discolored spots on the surface of the skin; and papules are small, raised bumps.
It is the classic cause of the childhood rash called fifth disease or erythema infectiosum, or "slapped face syndrome". [5] [6] The name comes from it being the fifth in a list of historical classifications of common skin rash illnesses in children. [7] The virus was discovered by chance in 1975 by Australian virologist Yvonne Cossart.
A rash is a change of the skin that affects its color, appearance, or texture. A rash may be localized in one part of the body, or affect all the skin. Rashes may cause the skin to change color, itch, become warm, bumpy, chapped, dry, cracked or blistered, swell, and may be painful. The causes, and therefore treatments for rashes, vary widely.
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