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Chlamydia

Chlamydia is a very common infection of the mucous membranes (linings) of the male urethra, female cervix and sometimes the eye, rectum or throat.
Chlamydia is transmitted by having vaginal, anal or oral sex with an infected partner. A mother may pass the infection on to her baby at birth, causing the baby to develop eye or lung infections.

Symptoms

Most women will not develop symptoms, but can still pass it on to others. Possible symptoms in women include: lower abdominal pain, abnormal vaginal bleeding, pain when passing urine, or altered vaginal secretions.
Men may have a discharge, experience painful urination, penile irritation or testicular pain.  About 25% of men have no symptoms, but can still pass it on. In both men and women, the infection can remain for months or years if untreated.

Diagnosis
Chlamydia testing is done by swab or urine sample.

Treatment
Chlamydia is treated with antibiotics. Sexual partners should have a sexual health check and treatment for Chlamydia even if they have no symptoms and even if they have a negative test result.

This page was last updated at 11:07AM on February 7, 2024.