Chlamydia is one of the most common sexually transmitted and blood-borne infections (STBBI). It spreads through vaginal, anal and/or oral sex without proper use of a condom or oral dam. If not detected and treated, it can lead to Pelvic Inflammatory Disease, which can cause infertility (the inability to have a baby), tubal pregnancy, and sterility.


People with chlamydia may show no signs or symptoms or may experience any of the following:

  • Pain or burning during urination.
  • Pain, itching, bleeding, and/or discharge in rectum (chlamydia in rectum).
  • Redness, itching and/or discharge of eyes (chlamydia in the eyes).
  • Sore throat, cough, swollen lymph nodes, and/or fever (chlamydia in the throat).

People with a vagina may experience:

  • Vaginal bleeding after intercourse or between menstrual periods.
  • Vaginal discharge.
  • Pain in the abdomen or lower back.
  • Pain during intercourse.

People with a penis may experience:

  • Itchy urethra.
  • Clear, watery or milky discharge from the penis.
  • Testicular pain or swelling.

Testing and treatment

Testing for chlamydia is done through a urine test and/or swabbing the affected area. If detected early, antibiotics can treat and cure chlamydia. See your health-care provider for STBBI testing.

Prevention is key to protecting yourself and your partner from STBBIs.  Click here for safer sex tips.

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Last updated: 2023-07-25