Only one pimple on the outside of the foreskin may be caused by pearly penile papules, warts, hair follicle infections and so on.
1. pearly penile papules: the disease may be a physiological developmental variant, but also may be related to local irritation, long foreskin, poor personal hygiene and other factors, resulting in the patient’s foreskin outside only a pimple.
2. Condyloma acuminatum: the disease is mainly HPV infection caused by sexually transmitted diseases, resulting in patients with acne outside the foreskin, but usually cauliflower-shaped, patients mainly manifested as papules around the genitals, keratinized plaques, and so on.
3. Follicular infection: Folliculitis may lead to localized boils on the foreskin, which are usually light red protrusions, and the surrounding tissues will be red, swollen and painful, and some patients will experience itching.
It is recommended that patients go to the hospital in a timely manner, under the diagnosis of the doctor, according to the patient’s specific condition performance, to take targeted treatment, life should pay attention to personal hygiene, physical exercise, improve their immunity.