What Should I Do About A Persistent Acne-like Bump On My Penis For 5–6 Months, Despite Using Hydrogen Peroxide?

Hi , i have one acne i my penis and this not going out , i have about 5-6 months , now in this time i wash all my body and i wash again my penis with hyrdogen peroxide, can you help me what to do , i do all the analysis in medical hospital and i very well , I don’t have hiv or aids , i smoke and cigarette about 2 packet per day with 20 cigarettes each pocket