Sebaceous cysts medication change generally a few minutes can be, if there are complications such as secondary infection medication change time needs to be longer, every 1-2 days medication change, last about 2-3 weeks. Sebaceous cyst surgery is mainly cystectomy, is a routine minor surgical procedures, generally 2-3 days after the operation to change the medication once, the process of changing the medication, mainly through the local routine disinfection, check the recovery of the wound, sterile gauze bandage, the process is generally in a few minutes or so can be completed. If secondary infection or exudate purulent secretion, etc., should be timely cleaning, should also choose antibiotic ointment for treatment, so the time is likely to be a little longer, may need to change the medicine daily, after the inflammation subsides can be 2-3 days to change the medicine, continued for about 2-3 weeks until the wound healing. Sebaceous cysts need to go to a regular hospital to change the medicine, to avoid blindly changing the medicine themselves.