Chlamydia: Can Oral Transmission Occur During Infection? - Urology

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Unprotected oral sex with Chlamydia?


Hello doctor, my girlfriend performed oral sex on me without a condom on the tenth day of her chlamydia treatment.
Does chlamydia only exist in the genital area, or can it also be present in the oral cavity during the infection period, even if there are no symptoms?

75215, 20~29 year old female. Ask Date: 2021/11/24

Dr. Du Shixi reply Urology


Hello: The Chlamydia in females should only be found in the vagina and its secretions.
Wishing you good health.

Reply Date: 2021/11/24

More Info


Chlamydia, caused by the bacterium *Chlamydia trachomatis*, is primarily known as a sexually transmitted infection (STI) that affects the genital tract. However, it can also infect the throat, particularly through oral sexual contact. This means that during an active infection, chlamydia can indeed be present in both the genital area and the oral cavity, even if symptoms are not apparent.

1. Transmission Routes: Chlamydia is most commonly transmitted through vaginal, anal, or oral sex. When a person is infected, the bacteria can be present in the genital secretions and can also infect the throat if oral sex is performed. Therefore, if your girlfriend was undergoing treatment for chlamydia, there is a possibility that the bacteria could have been present in her throat, especially if she had engaged in oral sex with an infected partner prior to her treatment.

2. Asymptomatic Infections: Many individuals with chlamydia do not exhibit symptoms, which is why it is often referred to as a "silent" infection. This lack of symptoms can lead to unintentional transmission, as individuals may not be aware that they are infected. In the case of oral chlamydia, symptoms may include a sore throat or discomfort, but many people may not experience any noticeable signs.

3. Risk of Transmission: Engaging in oral sex during an active chlamydia infection poses a risk of transmission. If your girlfriend had chlamydia in her throat, performing oral sex could potentially expose you to the bacteria. Conversely, if you were to have oral sex with an infected partner, you could also contract chlamydia in your throat.

4. Testing and Treatment: If you are concerned about potential exposure to chlamydia, it is advisable to get tested. Testing for chlamydia can be done through urine samples or swabs from the throat or genital area, depending on the sexual practices involved. If you test positive, treatment typically involves a course of antibiotics, which is effective in clearing the infection.

5. Prevention: To reduce the risk of chlamydia and other STIs, consider using barrier methods such as condoms or dental dams during oral and vaginal sex. Regular STI screenings for sexually active individuals, especially those with multiple partners, are also important for early detection and treatment.

In summary, chlamydia can be present in both the genital area and the throat during an infection, and oral transmission is possible. If you have concerns about exposure, it is best to consult a healthcare provider for testing and guidance. Regular communication with sexual partners about STI status and safe practices can help prevent the spread of infections.

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