Can You Get Syphilis Without Previous Infection? A Guide for New Partners

Can you get syphilis if you do not have syphilis?

Hello, my boyfriend and I are in a same-sex relationship, and we both have no prior sexual experience.
This is our first time having anal intercourse, and we accidentally lost the condom without realizing it, resulting in unprotected sex.
I would like to know if this could lead to syphilis or any other sexually transmitted infections (STIs).
Before we started dating, we both tested negative for HIV and syphilis.

Ding Ding, 20~29 year old female. Ask Date: 2016/03/13

Dr. Fu Shizhang reply Urology

It is recommended to conduct further checks to confirm, as the possibility of infection cannot be completely ruled out.

Reply Date: 2016/03/13

More Info

When it comes to sexually transmitted infections (STIs) like syphilis, understanding the risks associated with unprotected sexual contact is crucial, especially for new partners. Syphilis is primarily transmitted through direct contact with syphilitic sores, which can occur during vaginal, anal, or oral sex. If neither you nor your boyfriend has had previous sexual experiences or known exposure to syphilis, the risk of contracting the infection from each other is relatively low, provided that both of you have been tested and are free of STIs.

However, it is important to note that syphilis can be asymptomatic in its early stages. This means that an individual can be infected and not show any visible symptoms, which can lead to unintentional transmission. The incubation period for syphilis is typically around three weeks, but it can range from 10 to 90 days. Therefore, if you have had unprotected sex, there is a possibility of exposure to syphilis, especially if either partner has had sexual contact with someone who is infected, even if they are unaware of it.

Given your situation, here are some important considerations and recommendations:
1. Testing: Since you and your boyfriend have already been tested for HIV and syphilis before your sexual encounter, it is advisable to get retested after a few weeks, especially if you have had unprotected sex. Testing for syphilis typically involves a blood test, and it is a good practice to get tested regularly if you are sexually active.

2. Symptoms to Watch For: Be aware of any symptoms that may develop in the coming weeks. Early signs of syphilis can include sores or ulcers at the site of infection, rashes, fever, and swollen lymph nodes. If you notice any of these symptoms, seek medical attention promptly.

3. Communication: Open communication with your partner about sexual health is essential. Discussing STI testing, sexual history, and safe sex practices can help both partners feel more secure and informed.

4. Safe Sex Practices: Moving forward, consider using condoms consistently and correctly to reduce the risk of STIs. While condoms significantly lower the risk of transmission, they do not eliminate it entirely, especially if sores are present in areas not covered by the condom.

5. Education: Educate yourselves about STIs, their transmission, and prevention methods. Understanding how infections spread can empower you to make informed decisions regarding your sexual health.

6. Consulting a Healthcare Provider: If you have any concerns or questions about your sexual health, do not hesitate to consult a healthcare provider. They can provide personalized advice, testing, and treatment options if necessary.

In summary, while the risk of contracting syphilis from each other is low given your previous testing and lack of sexual history, it is still important to remain vigilant and proactive about your sexual health. Regular testing, open communication, and safe sex practices are key components in preventing STIs and ensuring a healthy sexual relationship.

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