Heat rash is generally referred to as prickly heat, also known as corn rash, a superficial, inflammatory skin condition common in summer or hot environments. Treatment includes general treatment, medication and so on. 1. General treatment: The general treatment of prickly heat requires keeping the skin dry and clean, wearing loose, breathable clothes, reducing friction on the affected area, avoiding scratching, keeping the room cool and ventilated, eating a light diet, and applying cold compresses with wet towels. 2. Drug treatment: drug treatment is mainly local medication, such as follow the doctor’s instructions for external use of glycerine lotion, prickly heat powder, etc., when the symptoms are serious, you can also use systemic medication, such as itching intense oral loratadine, cetirizine, etc. under the guidance of the doctor. If the above symptoms occur, it is recommended to go to the hospital in time for regular treatment. All of the above drugs should be used under the guidance of a doctor, do not use drugs without authorization.