Oral Sex Risks: Potential STDs from Mouth Sores - Urology

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Oral sex with mouth sores?


I'm not a doctor, but if your partner had a sore in her mouth and you had oral sex with ejaculation, there is a potential risk for sexually transmitted infections (STIs).
Symptoms like fever and dizziness could be related to an infection, but they are not definitive signs of an STI.
It's important for both of you to consult a healthcare professional for proper evaluation, testing, and guidance.

Mr. Hsu, 10~19 year old female. Ask Date: 2021/12/12

Dr. Sun Hongshun reply Urology


Hello Mr.
Hsu: The issue you are concerned about (sexually transmitted infections) may not manifest so quickly.
However, if the other person has wounds in their mouth and performed oral sex on you, it could potentially lead to other infections (not necessarily sexually transmitted infections).
I hope you seek medical attention as soon as possible.

Reply Date: 2021/12/12

More Info


Engaging in oral sex can carry certain risks, particularly when one partner has sores or wounds in the mouth. In your situation, where your partner had a mouth sore during oral sex and subsequently experienced symptoms like fever and dizziness, it is important to consider several factors regarding sexually transmitted diseases (STDs) and overall health.

First, let's address the potential for STD transmission through oral sex. While oral sex is generally considered to be a lower-risk sexual activity compared to vaginal or anal intercourse, it is not without risks. Certain STDs, such as herpes, gonorrhea, chlamydia, and syphilis, can be transmitted through oral contact. If your partner had a sore in her mouth, this could potentially increase the risk of transmission, especially if the sore was caused by a viral infection like herpes.

The presence of a mouth sore, even without visible bleeding, can indicate a break in the mucosal barrier, which may allow pathogens to enter the bloodstream more easily. If you ejaculated in her mouth, there is a possibility that any pathogens present could be transmitted, particularly if she had an active infection. Symptoms such as fever and dizziness can be indicative of various conditions, including infections, but they are not specific to STDs. It is crucial for your partner to monitor her symptoms closely and seek medical attention if they persist or worsen.

In terms of the specific risks associated with oral sex and mouth sores, here are some key points to consider:
1. Herpes Simplex Virus (HSV): If your partner has oral herpes (commonly caused by HSV-1), there is a risk of transmission during oral sex, especially if she has an active outbreak or sores. Symptoms of herpes can include fever, swollen lymph nodes, and flu-like symptoms.

2. Gonorrhea and Chlamydia: These bacterial infections can also be transmitted through oral sex. Symptoms may not always be present, but if your partner develops a sore throat or other systemic symptoms, it may warrant testing.

3. Syphilis: This infection can be transmitted through direct contact with syphilis sores, which may be present in the genital area or mouth. Early symptoms can include fever, fatigue, and swollen lymph nodes.

4. Other Infections: Other viral infections, such as HIV, can also be transmitted through oral sex, although the risk is significantly lower compared to anal or vaginal sex. However, the presence of sores can increase this risk.

Given your partner's symptoms of fever and dizziness, it is advisable for her to consult a healthcare provider for a thorough evaluation. Testing for STDs may be warranted, especially if there is a concern about potential exposure. Additionally, it is important for both partners to communicate openly about their sexual health and any potential risks involved in their sexual practices.

In conclusion, while the risk of contracting an STD through oral sex is generally lower than through other forms of sexual activity, the presence of mouth sores can elevate that risk. It is essential to seek medical advice and consider testing if there are any concerns about potential infections. Practicing safe sex, including the use of barriers like condoms or dental dams during oral sex, can help reduce the risk of STD transmission in the future.

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