symptoms of kidney and urinary tract disorders
kidney and urinary tract disorders
Persistent Erection
Most cases of persistent erection involve failure of blood to flow out of the penis. Blood backs up, preventing new oxygen-rich blood from entering the penis. As a result, the penis can become starved of oxygen. This condition is known as ischemic priapism or low-flow priapism. Severe pain occurs if an erection lasts longer than 4 hours. The penis may be erect while the glans penis may be soft. Prolonged priapism can lead to Erectile Dysfunction (ED) or even the death of penile tissue. Stuttering priapismis a recurring form of ischemic priapism in which episodes of erection alternate with periods when the penis is not erect. 