Syphilis Infection Risks: Common Questions Answered - Internal Medicine

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Risk of Syphilis Infection


1.
Hello, Doctor.
I would like to ask if contact with a wound can lead to syphilis infection.
I am unsure if the term "wound" includes minor cuts.
I have acne on my cheek and small cuts from shaving.
If I come into contact with someone else's skin wound for about 3 to 4 seconds, is there a risk of contracting syphilis?
2.
Do I need to get a blood test because of the contact between my acne or small shaving cuts on my cheek and someone else's skin wound? Or is such contact not a risk for infection?
3.
Is there a possibility of wart viruses being present in semen? If I masturbate and ejaculate, and the semen comes into contact with my genital area, could this lead to a viral wart infection?
4.
If I have viral warts on my hands that are in the incubation period without symptoms, can touching other parts of my body or my genitals lead to infection in those areas?
5.
Before knowing whether I have been infected or showing any symptoms, should I deliberately avoid touching other parts of my body (including my genitals) to prevent potential infection, or is it unnecessary to take such precautions before symptoms appear?

Niming, 20~29 year old female. Ask Date: 2019/08/24

Dr. Hong Yuanbin reply Internal Medicine


Syphilis is a sexually transmitted infection primarily transmitted through sexual intercourse.
In contrast, genital warts require direct contact with the lesions for a higher chance of infection.
Currently, evidence-based medicine cannot address too many hypothetical questions.
It is recommended that if you have any suspicious symptoms, you should consult the relevant medical specialty for examination.

Reply Date: 2019/08/24

More Info


When it comes to understanding syphilis infection risks, it's essential to address several key points regarding transmission, the nature of the disease, and preventive measures.
1. Contact with Open Wounds: You mentioned concerns about the risk of syphilis transmission through contact with another person's open wound, especially when you have small cuts or acne on your face. Syphilis is primarily transmitted through direct contact with syphilitic sores, which are usually found on the genitals, anus, or mouth. While it is theoretically possible to contract syphilis through contact with an open sore, the risk is significantly lower if the contact is brief (like 3-4 seconds) and if the sores are not actively oozing. However, if you are concerned about potential exposure, it is advisable to get tested, especially if you have any symptoms or if the other person is known to have syphilis.

2. Testing After Potential Exposure: If you have had contact with another person's wound and you have small cuts on your skin, it is prudent to get tested for syphilis and other sexually transmitted infections (STIs). While the risk may be low, testing can provide peace of mind and ensure that any potential infections are caught early. The Centers for Disease Control and Prevention (CDC) recommends regular STI screenings for sexually active individuals, particularly if they have multiple partners or engage in unprotected sex.

3. Presence of HPV in Semen: Regarding your question about whether semen can carry the virus that causes warts (human papillomavirus, HPV), it is important to note that HPV is primarily transmitted through skin-to-skin contact rather than through bodily fluids. Therefore, while semen itself does not contain the virus, if it comes into contact with an area of your body that has been exposed to HPV (such as the genital area), there is a risk of transmission. Practicing safe sex, including the use of condoms, can significantly reduce this risk.

4. Transmission of Warts from Hands: If you have warts on your hands, there is a potential risk of spreading the virus to other parts of your body or to another person through direct contact. HPV can be transmitted through touching warts and then touching other skin areas, including the genitals. If you have warts, it is advisable to avoid touching them and then touching other areas of your body or someone else's body to minimize the risk of transmission.

5. Precautions Before Symptoms Appear: If you are unsure whether you have been infected with HPV or any other STI, it is wise to take precautions. While the absence of symptoms may suggest a lower risk of transmission, it is important to remember that many STIs can be asymptomatic. Therefore, practicing good hygiene, avoiding direct contact with any lesions or warts, and using protection during sexual activity can help prevent potential infections.
In summary, while the risk of syphilis transmission through brief contact with an open wound is relatively low, it is always better to err on the side of caution. Regular testing, practicing safe sex, and maintaining good hygiene are essential steps in protecting yourself and others from STIs. If you have any further concerns or symptoms, consulting a healthcare professional for personalized advice and testing is highly recommended.

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