Oral Sex Safety: Do Mouthwash and Hygiene Reduce Infection Risks? - Urology

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Hello, doctor.
I would like to ask if both parties used mouthwash before oral sex and I brushed my teeth beforehand, is there still a risk of infection? Also, would it be better to wait a year before getting a tooth extraction? I am generally healthy, but I am not sure about the woman's health status.
When is the best time for her to get a health check-up? We both washed our bodies before engaging in oral sex; does this effectively reduce the risk of infection?

Wo, 20~29 year old female. Ask Date: 2018/10/20

Dr. Du Shixi reply Urology


Hello: Oral sex is a moderately risky sexual activity, and there is a risk if one partner has a sexually transmitted infection (STI).
It is advisable to get tested for STIs, ideally 100 days after sexual activity if there are no symptoms.
STIs are primarily transmitted through bodily fluids, and while washing may help, its effectiveness is difficult to determine.
Wishing you good health.

Reply Date: 2018/10/20

More Info


When it comes to oral sex and the associated risks of sexually transmitted infections (STIs), it's important to understand that while good hygiene practices, such as brushing teeth and using mouthwash, can contribute to overall oral health, they do not eliminate the risk of infection. Here’s a detailed breakdown of the factors involved:
1. Mouthwash and Oral Hygiene: Using mouthwash and brushing your teeth before engaging in oral sex may help reduce the presence of bacteria and other pathogens in the mouth. However, it is crucial to note that mouthwash is not a guaranteed method for preventing STIs. There is limited scientific evidence to support the idea that mouthwash can effectively kill viruses such as HIV or other STIs. Moreover, if there are any cuts or abrasions in the mouth, which can occur from brushing too vigorously or from previous dental work, this could increase the risk of infection. The presence of blood or open sores can serve as a pathway for pathogens to enter the bloodstream.

2. Health Checks and Timing: If you are concerned about your partner's health status, it is advisable for both partners to undergo regular STI screenings, especially if there are new partners involved. The Centers for Disease Control and Prevention (CDC) recommends that sexually active individuals get tested for STIs at least once a year, and more frequently if they have multiple partners or engage in high-risk behaviors. If you are planning to have dental work, such as tooth extraction, it is generally a good idea to wait until after the procedure to engage in sexual activities, particularly oral sex, to minimize any risk of infection.

3. Body Hygiene: While washing the body before engaging in sexual activities can enhance overall cleanliness, it does not significantly reduce the risk of STIs. The primary concern with STIs is the exchange of bodily fluids, which can occur regardless of external cleanliness. Therefore, while good hygiene is important, it should not be relied upon as a sole method of protection against infections.

4. Risk Factors: The risk of transmitting STIs through oral sex is generally lower than through vaginal or anal intercourse, but it is not zero. Certain STIs, such as herpes, gonorrhea, and syphilis, can be transmitted through oral sex. If either partner has an active infection, the risk of transmission increases significantly.
5. Communication and Consent: It is essential to have open and honest communication with your partner about sexual health and any potential risks. Discussing STI testing, sexual history, and any concerns can help both partners make informed decisions about their sexual activities.

In summary, while practicing good oral hygiene, such as brushing teeth and using mouthwash, can contribute to overall health, it does not eliminate the risk of STIs during oral sex. Regular health check-ups and open communication with your partner about sexual health are crucial steps in reducing the risk of infection. If you have any concerns about potential exposure to STIs, it is advisable to consult a healthcare professional for appropriate testing and guidance.

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Hello: No problem. Wishing you good health. You can refer to http://www.isu.edu.tw/upload/04/7/news/postfile_60883.pdf.

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