Prickly heat may be related to environmental factors, strenuous exercise, prolonged bed rest, etc. There is no fastest way to get rid of prickly heat, the main treatment is general treatment as well as medication. 1. General treatment: the main thing is to strengthen the daily care, keep the affected skin clean and dry, do not scratch excessively, change loose and comfortable clothing, adjust the indoor temperature, keep the indoor air circulation, do not eat stimulating food, reasonable rest. 2. Medication: When prickly heat causes obvious itching symptoms, you can use topical glycerite lotion for treatment, which can relieve itching, and topical tretinoin cream for treatment, which can control inflammation. If the symptoms are more serious, you can use antihistamines, such as cetirizine, under doctor’s supervision. In the process of treatment, must listen to the doctor’s guidance, safe and reasonable use of drugs, do not indiscriminate use of medication.