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  1. Chlamydia: Causes, Symptoms, Treatment & Prevention

    Chlamydia is one of the most common sexually transmitted infections (STIs). You can get chlamydia through vaginal, anal or oral sex with a partner who has chlamydia.

  2. How is chlamydia transmitted?

    How is chlamydia transmitted? Chlamydia, like other STIs, is passed from an infected person to a partner through certain sexual activities. Chlamydia is passed primarily during anal or vaginal sex. …

  3. About Chlamydia | Chlamydia | CDC

    Jan 31, 2025 · You can get chlamydia by having vaginal, anal, or oral sex without a condom with someone who has the infection. A pregnant woman with chlamydia can give the infection to her baby …

  4. Chlamydia trachomatis - Symptoms and causes - Mayo Clinic

    Chlamydia is caused by Chlamydia trachomatis (truh-KOH-muh-tis) bacteria and spread through oral, vaginal or anal sex. You might not know you have chlamydia because many people don't have …

  5. Chlamydia - World Health Organization (WHO)

    Nov 21, 2025 · Chlamydia is a preventable and curable sexually transmitted infection (STI) caused by the bacterium Chlamydia trachomatis, which is primarily transmitted through vaginal, oral and anal sex.

  6. Chlamydia: Symptoms, Treatments, Causes, and More - Healthline

    May 13, 2025 · How is chlamydia transmitted? Sexual activity without a condom or other barrier method is the main way a chlamydia infection can be transmitted. Penetration doesn’t have to occur to …

  7. What is Chlamydia? | Causes of Chlamydia Infection

    The main ways people get chlamydia are from having vaginal sex and anal sex, but it can also be spread through oral sex. Rarely, you can get chlamydia by touching your eye if you have infected …

  8. How Do You Get Chlamydia? - eMedicineHealth

    Chlamydia is contagious and it is spread most commonly during intimate sexual contact. A man does not need to ejaculate to spread the infection. People remain infectious until they have taken a week’s …

  9. Chlamydia: Symptoms, Risk, Treatment, and Prevention

    Sep 5, 2025 · Chlamydia spreads through vaginal, anal, and oral sex. Most people with chlamydia don't show symptoms, but the infection can cause serious complications if left untreated. Regular …

  10. • Practice safe sex is the most effective way to prevent chlamydia transmission. • Consistent and correct use of condoms during vaginal, anal, and oral sex. • Get regular STI screenings especially if you …