A rash is a change of the skin which 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, dry, cracked or blistered, swell and may be painful. The causes, and therefore treatments for rashes, vary widely.
It can be caused by anxiety,allergies. bacterial ,viral or fungal infection, reactiong to vaccination and may be becuase of sun exposure of skin disease some uncommon cause are psoriasis, lead poisoning, pregnancy.
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