Definition of Chlamydial urethritis - male:

Chlamydial urethritis is a sexually transmitted disease involving infection of the urethra (the tube that drains urine from the bladder).

Causes, incidence, and risk factors:

Chlamydial urethritis is caused by the bacteria Chlamydia trachomatis.

Chlamydia can cause a type of swelling (inflammation) of the urethra ( urethritis). Chlamydia and gonorrhea often occur together.

People who are sexually active and those with multiple sexual partners are at highest risk for chlamydia infection.

Different strains of chlamydia cause genital, eye, lymph node, and respiratory infections. A child born to a woman with a chlamydia infection of the cervix may develop an eye or lung infection.