Chlamydia Infection: Can Oral Sex Transmit It? - Obstetrics and Gynecology

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Hello doctor, I underwent testing for egg donation, and the nurse informed me that I have a chlamydia infection.
She said that medication would treat it and everything would be fine.
However, I have not had sexual intercourse with my boyfriend, meaning we have not had genital penetration, but we have engaged in oral sex.
Could I have contracted the infection through this method? I am a bit confused about how I got infected.
Thank you!

Zhenni, 20~29 year old female. Ask Date: 2016/02/16

Dr. Cao Guotao reply Obstetrics and Gynecology


Hello, general chlamydia infections are primarily transmitted through sexual intercourse, but it is not the only route.
As for how you were infected, it cannot be determined; treatment is available.
Wishing you good health.

Reply Date: 2016/02/16

More Info


Chlamydia, caused by the bacterium Chlamydia trachomatis, is primarily known as a sexually transmitted infection (STI) that is typically spread through vaginal, anal, or oral sex. While it is most commonly associated with genital contact, it is indeed possible for Chlamydia to be transmitted through oral sex, although the risk is generally lower compared to other forms of sexual activity.

In your case, since you mentioned that you have not engaged in penetrative sexual intercourse but have had oral sex, it is plausible that you could have contracted Chlamydia through this route. The bacteria can infect the throat (pharyngeal chlamydia) if oral sex is performed on an infected partner. However, it is important to note that many individuals with pharyngeal chlamydia may not exhibit symptoms, making it difficult to identify without testing.

The transmission of Chlamydia through oral sex is not as well-studied as genital transmission, but it is recognized as a potential risk factor. If your partner was infected with Chlamydia and you engaged in oral sex, there is a possibility that you could have contracted the infection. Additionally, Chlamydia can also be transmitted through contact with infected bodily fluids, which may occur during oral sex.

Regarding your treatment, it is good to hear that you are receiving medication for the infection. Chlamydia is typically treated with antibiotics, and it is important to complete the full course of treatment as prescribed by your healthcare provider. After treatment, it is advisable to get retested to ensure that the infection has been cleared, particularly if you have any ongoing symptoms or concerns.

In terms of prevention, using barriers such as condoms or dental dams during oral sex can significantly reduce the risk of transmitting STIs, including Chlamydia. Regular STI screenings for sexually active individuals, even if asymptomatic, are also recommended to catch any infections early and prevent further transmission.

If you have any further questions or concerns about your diagnosis or treatment, it is essential to discuss them with your healthcare provider. They can provide personalized advice and support based on your specific situation. Remember, open communication with sexual partners about STI status and safe sex practices is crucial in reducing the risk of transmission and maintaining sexual health.

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