Risks of STIs After One-Night Stand: What You Need to Know - Urology

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One-night stand assistance?


A few days ago, I had a one-night stand with someone I met online.
While in the bathroom of a motel, they were rubbing their genitals against my penis while showering.
I was concerned about the risk of my glans coming into contact with their genitalia.
Is there a risk of infection in this situation? Additionally, the other person performed oral sex on me without a condom.
What are the chances of contracting a sexually transmitted infection (STI) from that? I plan to get tested in three months.
What specific tests should I request? If the results are negative after three months, can I rule out the risk of infection?

A De, 20~29 year old female. Ask Date: 2015/08/16

Dr. Xu Weikai reply Urology


Ader: Hello, I'm not sure what screenings you've undergone.
Generally, it is recommended to get tested for HIV, hepatitis, and syphilis.
For HIV, it is advisable to have a follow-up test one year later.
For other sexually transmitted infections (STIs), if you test negative after three months, you can generally rule out an infection.
If you have any concerns, you can visit a nearby healthcare facility for relevant testing.
If there are any unclear points, feel free to ask again, and we can discuss and research further.
Online responses should only serve as a reference; if necessary, you should seek medical attention at a healthcare facility.
The Ministry of Health and Welfare Taitung Hospital cares about you.

Reply Date: 2015/08/16

More Info


Engaging in sexual activities, especially casual encounters such as one-night stands, can indeed pose risks for sexually transmitted infections (STIs). Understanding these risks and knowing how to protect yourself is crucial for maintaining sexual health.


Risks of STIs from Your Encounter
1. Skin-to-Skin Contact: The scenario you described, where there was potential contact between your glans (the head of the penis) and the partner's genital area, does carry some risk. STIs such as herpes and human papillomavirus (HPV) can be transmitted through skin-to-skin contact, even without penetrative sex. If your partner has an active infection, there is a possibility of transmission.

2. Oral Sex: Engaging in unprotected oral sex also poses a risk for STIs. Common infections that can be transmitted this way include:
- Gonorrhea: Can infect the throat and lead to pharyngitis.

- Chlamydia: Also possible through oral contact.

- Syphilis: Can be transmitted through sores or lesions in the mouth.

- Herpes Simplex Virus (HSV): If your partner has oral herpes, it can be transmitted to your genitals.

- HIV: While the risk is lower compared to vaginal or anal sex, it is still possible, especially if there are cuts or sores in the mouth.


Recommended Testing
Given your encounter, it is wise to get tested for STIs. Here are the recommended tests you should consider:
1. Chlamydia and Gonorrhea: These are often tested together, and you can be tested via a urine sample or swab.

2. Syphilis: A blood test can detect syphilis.

3. HIV: An HIV test is crucial, and there are various types of tests available, including rapid tests.

4. Herpes: If you have symptoms (like sores), a swab can be taken. If not, a blood test can check for antibodies.

5. Hepatitis A and B: Depending on your vaccination status and risk factors, you might consider testing for these viruses.


Timing of Testing
You mentioned planning to get tested in three months. This is a good timeframe for certain infections, particularly HIV, which can take up to three months to show up on tests. However, for chlamydia and gonorrhea, testing can often be done sooner, typically within one to two weeks after exposure.

Interpreting Results
If your tests come back negative after three months, it significantly reduces the likelihood of having contracted an STI from that encounter. However, it is essential to remember that some infections may not be detectable immediately after exposure. For example, while HIV can take up to three months, other STIs may be detected sooner.

Prevention Strategies
To reduce the risk of STIs in the future, consider the following strategies:
- Use Condoms: Always use condoms during vaginal, anal, and oral sex to reduce the risk of STIs.

- Limit Partners: Reducing the number of sexual partners can lower your risk of exposure.

- Regular Testing: If you are sexually active, regular STI screenings are a good practice, even if you do not have symptoms.

- Communication: Discuss STI testing and sexual health with your partners before engaging in sexual activities.

In conclusion, while there is a risk of STIs from the encounter you described, being proactive about testing and practicing safe sex can significantly mitigate these risks. If you have any symptoms or concerns before your scheduled testing, do not hesitate to consult a healthcare provider for further evaluation and guidance.

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