Urticaria itchy body when heat should be promptly removed from the hot environment, at the same time can be treated with medication, mainly antihistamines such as loratadine. Urticaria patients can appear in the heat after the phenomenon of itchy, it should be timely to leave the hot environment, stop sports and other behaviors that make the body heat, generally can be gradually relieved. At the same time, antihistamines can be used, including loratadine, cetirizine, imipramine and so on. In addition, itch relievers such as glycerite lotion can be used to relieve itching symptoms. If the symptoms of urticaria are severe, you should go to the hospital in time, and follow the doctor’s instructions when using the above medications.