Usually, urticaria does not cause low fever, but urticaria can be combined with low fever, this fever is not caused by urticaria, usually considered to be an infection at the same time caused by urticaria. Physical cooling methods can be used, you can use warm water to bathe the body, to promote the dissemination of heat, to achieve the effect of cooling. If accompanied by bacterial infection fever symptoms, can be under the guidance of the doctor to choose antibiotic drugs, such as penicillin, cephalosporin, etc., for anti-infection treatment. In addition, urticarial vasculitis, serum sickness can also appear urticaria-like rash with fever. It is recommended that if abnormal discomfort occurs, go to the hospital in time to avoid delaying the condition.