Driving a long time sitting on the buttocks pimples itchy situation, may be due to eczema, prickly heat, folliculitis and other factors, you can choose antihistamines, glycerite lotion, anti-infective drugs treatment. 1. Eczema: for long time sedentary people, appear on the buttocks pimples, accompanied by itching phenomenon, consider and eczema factors, this time not only to correct the sedentary habits, but also need to choose loratadine, cetirizine and other antihistamine treatment. 2. Prickly heat: driving and sitting for a long time, may be due to local moisture, sweating and other factors, thus causing sweat ducts blocked, causing prickly heat phenomenon. At this time, you can choose glycerin lotion coated, can play the role of itching convergence. 3. Folliculitis: some patients may be buttocks parts of the hair follicles by bacterial infection, resulting in pimples accompanied by itching and pain symptoms, this time with the doctor to choose anti-infective drug treatment, commonly used drugs, including topical fusidic acid cream, compound polymyxin B cream, but also with the oral amoxicillin, cephalosporins, and so on. It is recommended that patients appear to drive a long time to sit on the buttocks pimples itchy symptoms, should be strictly comply with the medical prescription medication, not blindly use drugs, so as not to produce adverse effects.