Syphilis Testing and Results After Risky Behavior

Q: Syphilis Testing and Results After Risky Behavior

Hello： It is generally recommended to have tests every three months. <br>Of course, since you have already been tested twice, the likelihood of normal results is quite high. <br>If there is a slight swelling in the pubic area, it could be tinea cruris (jock itch), but I cannot di

Syphilis testing issues?

Hello Doctor, I had high-risk sexual behavior (unprotected vaginal intercourse with a female online acquaintance) on January 8th of this year.
I underwent anonymous HIV testing at Chi Mei Hospital at 57 days (8 weeks), and the result was negative.
Additionally, at 61 days, I had tests for syphilis and HIV at our local health department hospital, and both results were also negative.
I would like to ask:
1.
Chi Mei's anonymous testing guidelines state that the window period is 6 weeks; does this mean I can rule out HIV infection?
2.
Regarding syphilis, I also consulted a urologist and had tests for syphilis and HIV at 61 days, with negative results.
Can I completely rule out syphilis?
3.
Recently, I have been experiencing some swelling in the pubic hair area.
Could this be caused by tinea cruris, or is it possible that the test results are incorrect? I kindly ask for your patient response.
Thank you.

DD, 20~29 year old female. Ask Date: 2017/03/19

Dr. Du Shixi reply Urology

Hello: It is generally recommended to have tests every three months.
Of course, since you have already been tested twice, the likelihood of normal results is quite high.
If there is a slight swelling in the pubic area, it could be tinea cruris (jock itch), but I cannot diagnose it.
If you notice any redness, broken skin, discharge, or lesions, you should seek medical attention immediately.

Reply Date: 2017/03/19

More Info

Understanding the results of syphilis and HIV testing after engaging in risky sexual behavior is crucial for your peace of mind and health. Based on the information you provided, you underwent testing for HIV and syphilis after a high-risk encounter on January 8, and you received negative results at the 57-day and 61-day marks. Here’s a detailed breakdown of your situation.

1. Window Period for HIV Testing: The window period for HIV testing can vary depending on the type of test used. Most modern tests, including the fourth-generation tests, can detect HIV within 18 to 45 days after exposure. Since you tested negative at 57 days, it is highly likely that you are not infected with HIV. However, some tests may still require a follow-up test at three months for definitive results. Given that you have already tested negative twice, it is reasonable to feel reassured, but if you have any lingering concerns, a follow-up test at three months is advisable.

2. Syphilis Testing: The window period for syphilis can also vary, but most tests can detect syphilis within 1 to 3 weeks after exposure. Since you tested negative for syphilis at 61 days, it is very likely that you do not have an active syphilis infection. However, similar to HIV, if you have any symptoms or concerns, it may be prudent to have a follow-up test after three months to ensure that no late seroconversion has occurred.

3. Symptoms of Swelling in the Groin Area: The swelling you are experiencing in the pubic area could be due to several factors. It may be related to a fungal infection like tinea cruris (jock itch), which is common and can cause itching and swelling in the groin area. Other possibilities include folliculitis, lymphadenopathy, or even a reaction to irritation or friction. Given that you have tested negative for syphilis and HIV, it is less likely that the swelling is related to a sexually transmitted infection (STI). However, if the swelling persists or worsens, or if you develop additional symptoms such as pain, fever, or discharge, it is important to consult a healthcare provider for a thorough evaluation.

4. Importance of Communication and Follow-Up: It is crucial to communicate with any sexual partners about your testing and health status, especially if you have engaged in high-risk behaviors. Encouraging them to get tested can help prevent the spread of STIs. Additionally, maintaining regular check-ups and being aware of your body’s signals is essential for your sexual health.

In summary, based on your negative test results at 57 and 61 days post-exposure, it is likely that you do not have HIV or syphilis. However, if you have any ongoing symptoms or concerns, it is always best to consult with a healthcare provider for further evaluation and peace of mind. Regular testing and open communication with partners are key components of maintaining sexual health.

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