| • | Balanitis Balanitis is an infection or inflammation of the head (glans) of the penis. |
| • | Curvature of the Penis (Peyronie's Disease) Some men develop a more serious bend in the penis that interferes with sexual function or causes pain. |
| • | Phimosis and Paraphimosis In phimosis, the foreskin is tightly stretched around the head of the penis and cannot be pulled back freely. In paraphimosis, a tight foreskin is pulled back behind the head of the penis and then becomes stuck. |
| • | Impotence Impotence, also known as erectile dysfunction, is a common medical problem that affects approximately 30 million American men. A man experiencing impotence cannot achieve or cannot maintain satisfactory penile rigidity to engage in sexual relations. |
| • | Premature Ejaculation Problems Learn the basics about early and rapid ejaculations, how it affects young males and some commonly used techniques for solving the problem. |
| • | Priapism Priapism is an abnormally prolonged and often painful erection. Usually, this erection is not caused by sexual desire or stimulation and is not relieved by orgasm. |
| • | NIDDK Fact Sheet On Peyronie's Disease Peyronie's disease, a condition of uncertain cause, is characterized by a plaque, or hard lump, that forms on the penis. The plaque develops on the upper or lower side of the penis in layers containing erectile tissue. It begins as a localized inflammatio |