Back acne can be caused by acne, folliculitis and other diseases, and need to be treated according to the cause of the disease, usually can follow the doctor’s advice to apply retinoic acid ointment, mupirocin ointment and other ointments. 1. Acne: Acne may cause back acne, it is recommended that patients follow the doctor’s instructions to apply retinoids, to play an anti-inflammatory, dissolve pimples and other effects, common drugs to retinoid ointment, adapalene gel and so on. 2. Folliculitis: back acne consider and folliculitis related, for bacterial infection patients, need to follow the doctor’s instructions for external use of mupirocin ointment, fusidic acid ointment and other antibiotic drugs, has the effect of inhibiting bacteria. If it is caused by fungal infection, you should follow the doctor’s prescription of topical ketoconazole, econazole and other antifungal drugs. There are many reasons for back acne, patients need to go to a regular hospital, for the cause of the disease with the doctor for standardized treatment, do not blindly deal with their own, in order to avoid infection.