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  1. Chlamydia: Causes, Symptoms, Treatment & Prevention

    Feb 6, 2023 · 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. About Chlamydia | Chlamydia | CDC

    Jan 31, 2025 · Chlamydia is a common sexually transmitted infection (STI) that can be treated. People who are sexually active can get chlamydia. This fact sheet answers basic questions about chlamydia.

  3. Chlamydia - Wikipedia

    Chlamydia, or more specifically a chlamydia infection, is a sexually transmitted infection caused by the bacterium Chlamydia trachomatis. [3] Most people who are infected have no symptoms. [1] When …

  4. Chlamydia: Symptoms (Men & Women), Diagnosis, Treatment - WebMD

    May 5, 2026 · Chlamydia - A sexually transmitted disease that affects men & women. Learn more about the symptoms, diagnosis & treatment options.

  5. 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 …

  6. Chlamydia - World Health Organization (WHO)

    Nov 21, 2025 · Chlamydia infection is often asymptomatic; however, when symptoms do occur, they may include unusual urethral and vaginal discharge. If left untreated, chlamydia infection can lead to …

  7. Chlamydia - NHS

    Find out about chlamydia, a sexually transmitted infection (STI), including symptoms, how it's treated, and how to prevent it.

  8. Chlamydial Infections - STI Treatment Guidelines

    Chlamydial Infection Among Adolescents and Adults Chlamydial infection is the most frequently reported bacterial infectious disease in the United States, and prevalence is highest among persons aged ≤24 …

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

    May 13, 2025 · Chlamydia is often asymptomatic. However, it can lead to infertility and other complications if left untreated. Getting tested is the only way to know your status.

  10. Chlamydia Infections - MedlinePlus

    May 31, 2024 · Chlamydia is a common sexually transmitted disease contracted by men and women. Chlamydia usually does not have symptoms. Learn about tests and prevention.