Urticaria rash on a patient's body. Also known as nettle rash or hives,this rash of itchy weals develops on the skin,usually on the trunk or limbs,appearing in a matter of minutes and fading after a few hours. Urticaria most often occurs as an acute allergic response,possibly triggered by particular foods or drugs. It can also result from heat,cold,sunlight,stress or,less frequently,other medical conditions like cancer | |
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