Small bumps on the back of the penis may be caused by warts, folliculitis, gonorrhea and other diseases.
1. Condyloma acuminatum: patients due to unclean sexual behavior, resulting in infection with human papilloma virus caused by the disease, the main attack site for the genitals around the anus and around the anus, the penis above the small bumps, pimples symptoms, and accompanied by itching, pain and so on.
2. Folliculitis: usually associated with dietary factors, pathogenic microbial infections and other factors. If the hair follicles on the back of the patient’s penis are infected with inflammation, symptoms of pimples and pustules may appear, accompanied by redness, swelling and pain.
3. Gonorrhea: It is a sexually transmitted disease caused by Neisseria infection, and the patient’s penis will have symptoms of pimples and edema.
There may be other reasons for the growth of small bumps on the back of the penis, and patients need to consult a doctor in time for examination and early treatment.