Folliculitis on the back and chest if the number is not large and the symptoms are not obvious, do not need to use drugs, if the symptoms are more serious can be used according to the cause of antibiotic drugs or antifungal drugs. If the number of folliculitis is small and mild, this condition can subside on its own and does not require medication, pay attention to personal hygiene, choose loose cotton clothing and avoid. If the symptoms are more serious, you can use the following drugs for treatment. 1. antibiotic drugs: folliculitis is mostly caused by bacterial infection, you can apply local povidone-iodine solution, or apply antibiotic ointment, such as mupirocin ointment, fusidic acid ointment. For fever or lesions spread can also be oral antibiotics, such as cefuroxime, cefadroxil. 2. Antifungal drugs: If the fungal folliculitis, need to use antifungal drugs, can be applied locally ketoconazole cream, 50% propylene glycol, etc., serious lesions can be oral antifungal drugs, such as itraconazole. Folliculitis on the back and chest should seek medical attention in a timely manner, under the guidance of a doctor, avoid self-medication.