What is a brown pimple on the penis?

Brown pimples on the penis may be Bowen-like papulosis or condyloma acuminatum etc.
1. Bowen-like papulosis: caused by human papillomavirus infection, multiple pigmented papules in the genital area, mostly in sexually active young patients, usually between the ages of 21-30. A small number of patients can subside on their own without treatment, and if smaller damage is found, it can be removed by freezing, laser or electro-ionization.
2. Condyloma acuminatum: a sexually transmitted disease caused by human papilloma virus (HPV) infection with proliferative damage in the anogenital area as the main manifestation. The first incidence of a single or multiple scattered or dense pieces of tiny pimples, gradually increase in size, increase, presenting a papillary, finger-like, cauliflower-like.
When brown pimples appear on the penis, the patient should go to the regular hospital in time, by the doctor to clarify the cause of the disease, give targeted treatment.