A rash is a change of the skin which affects its colour, appearance or texture. A rash may be localised in one part of the body, or affect all the skin. Rashes may cause the skin to change colour, itch, become warm, bumpy, dry, cracked or blistered, swell and may be painful. The causes, and therefore treatments for rashes, vary widely. Diagnosis must take into account such things as the appearance of the rash, other symptoms, what the patient may have been exposed to, his occupation, and if other family members are affected. A baby's skin rash may be a symptom of another condition, such as food allergy, and will last until causes are identified and the condition is managed. Typically, it is never a good to scratch a rash, as doing so may invigorate the rash and cause it to spread. Gently rubbing the rash may provide temporary relief, but it is more than likely better to avoid contact with the affected areas altogether.
Getting a diagnosis
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