Gentamicin can be used to treat acne, mainly for rashes characterized by yellow oozing as well as pus, and bacterial cultures and drug sensitization can be performed. If the pus is targeted by the sensitive drug penicillin, it can be applied. It can be treated by topical application of 0.9% sodium chloride injection with 160,000 units of gentamicin 2, followed by cold wet compresses, twice a day for 20 minutes at a time. Besides, topical clindamycin phosphate gel, compound polymyxin B ointment, fusidic acid ointment, mupirocin ointment or ofloxacin gel can also be used. You can also take oral antibiotic treatment, such as minocycline hydrochloride capsules.