An inflammation of the head (glans) of the penis, usually accompanied by a discharge and tightening of the foreskin.

The opening of the urethra is in an abnormal location on the underside of the penis.

Microphallus, defined as a functionally normal penis, including a penile urethra, with a stretched length less than two standard deviations, can be caused by a variety of diseases and conditions.

Informative sites related to Paraphimosis - a urologic emergency, occurring in uncircumcised males, in which the foreskin becomes trapped behind the corona and forms a tight band of constricting tissue.

A prolonged and painful erection that can last from several hours up to a few days. It is not associated with sexual thoughts or activity.