As many as 1 in 4 men with chlamydia have no symptoms. In men, chlamydia may produce symptoms similar to gonorrhea. Symptoms may include:
Only about 30% of women with chlamydia have symptoms. Symptoms that may occur in women include:
See also: Chlamydia (female)
The diagnosis of chlamydia infection involves sampling of the urethral discharge in males or cervical secretions in females. If an individual engages in anal sexual contact, samples from the rectum may also be needed. The sample is sent for a fluorescent or monoclonal antibody test, DNA probe test or cell culture. Some of these tests may also be performed on urine samples.
U.S. Preventive Services Task Force. Screening for Chlamydial Infection. Rockville, MD: Agency for Healthcare Research and Quality; Update to published recommendation: Ann Intern Med. 2007;147:128-134.