Hello I share your concern At the outset I would.like further information for better assessment like Since how long you have this problem If possible upload a photograph any history of unprotected sex? I see patients with similar complaints in my clinic and I would advise them for few investigation to establish a diagnosis like CBC, blood sugar, serological test for herpes and syphilis and urine culture in my opinion you may require a course of antibiotics after physical examination and based on investigation findings Meanwhile you should wash it properly with antiseptic soap or solutions and keep it clean and moist you can apply antibacterial or antiseptic ointment other avoid superadded infection Please write back to me with the details I have asked for so that I will be able to tell you lore accurately Best wishes