the Risks of Oral Sex: Health Concerns and Safety Tips - Obstetrics and Gynecology

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What are the side effects of oral sex?


Hello doctor, I would like to ask, because I often perform oral sex on my girlfriend, but I recently saw a report that suggested men who perform oral sex on women are at a higher risk of developing esophageal cancer, and women are also at risk for cervical cancer.
So I want to ask if performing oral sex on women really poses a problem? Additionally, can a woman's vaginal discharge be transmitted to a man through oral sex? Two months ago, after I performed oral sex on my girlfriend, I developed a Candida infection in my mouth a week later.
I went to an ENT specialist, and the doctor prescribed medication for me to apply, and after three days, it was resolved (I haven't had any issues since then).
The doctor told me that I didn't need to get a blood test, and I have frequently performed oral sex on my girlfriend without any previous infections (I have a steady sexual partner).
However, now I want to ask if a woman's vaginal discharge can be transmitted, and can I still perform oral sex on my girlfriend? Please help me with this, thank you.

Lü Chá, 20~29 year old female. Ask Date: 2010/08/06

Dr. Dong Yuhong reply Obstetrics and Gynecology


Hello: Oral sex is a form of sexual activity in which you come into contact with your partner's genitalia.
If your partner has an infectious disease, you may be exposed to infectious bodily fluids, which presents a risk of transmission.
Candidiasis can potentially be transmitted through oral sex.
In addition to receiving treatment, it is important to consider whether your infection may be related to factors such as excessive fatigue or underlying conditions like diabetes.
Thank you.

Reply Date: 2010/08/06

More Info


Engaging in oral sex can pose certain health risks, and it's important to understand these risks to make informed decisions about sexual practices. Let's address your concerns regarding oral sex, particularly in the context of potential infections and cancers.

1. Risk of Infections: Oral sex can transmit sexually transmitted infections (STIs) such as gonorrhea, chlamydia, syphilis, and human immunodeficiency virus (HIV). While the risk of transmission through oral sex is generally lower compared to vaginal or anal sex, it is not negligible. If either partner has an active infection, there is a possibility of transmission. In your case, you mentioned experiencing a yeast infection (candidiasis) in your mouth after performing oral sex. This could be due to various factors, including changes in the oral microbiome or exposure to pathogens. It's essential to maintain good oral hygiene and be aware of any symptoms that may arise after sexual activity.

2. Cancers Associated with Oral Sex: There is some evidence suggesting that oral sex can increase the risk of certain cancers. For instance, the human papillomavirus (HPV), which is known to cause cervical cancer in women, can also lead to oropharyngeal cancers in men. Studies have shown a correlation between oral HPV infection and the development of oropharyngeal squamous cell carcinoma. While the risk is relatively low, it is still a concern, particularly for individuals with multiple sexual partners or those who engage in unprotected oral sex.

3. Vaginal Secretions and Transmission: You asked whether a female partner's vaginal secretions (like discharge) could transmit infections to the male partner during oral sex. Yes, if the female partner has an STI, there is a risk of transmission through oral contact with vaginal fluids. This is why it is crucial to ensure that both partners are tested for STIs and are aware of each other's sexual health status.

4. Safety Practices: To minimize the risks associated with oral sex, consider the following safety tips:
- Use Barriers: Dental dams or condoms can provide a protective barrier during oral sex, reducing the risk of STI transmission.

- Regular Testing: Both partners should undergo regular STI screenings, especially if they have multiple partners or engage in high-risk behaviors.

- Avoid Oral Sex When Infected: If either partner has an active infection (oral or genital), it is advisable to avoid oral sex until the infection is treated and resolved.

- Maintain Oral Hygiene: Good oral hygiene can help reduce the risk of infections. Avoid brushing your teeth or flossing immediately before oral sex, as this can create small cuts in the gums that may increase the risk of infection.

In conclusion, while oral sex can be a pleasurable and intimate act, it is essential to be aware of the potential health risks involved. If you have concerns about your sexual health or experience symptoms after sexual activity, it is advisable to consult a healthcare professional for personalized advice and testing. Engaging in safe sex practices and maintaining open communication with your partner about sexual health can significantly reduce the risks associated with oral sex.

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