Syphilis Symptoms: Can You Get Infected Indirectly? - Urology

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Symptoms of syphilis?


Hello doctor, I have a question.
I have not had sexual intercourse, but I am worried about the possibility of indirectly contracting syphilis.
I saw online that it might be possible to get syphilis through handshakes or other means.
I would like to ask, if someone has secondary syphilis, are the rashes usually not itchy? Do they appear in large numbers or could there be just one or two? Recently, I noticed one or two red spots on my lower leg that look like inflamed pimples and are a bit swollen, but they hurt when pressed.
Could this be a symptom of secondary syphilis? Or could it just be due to wearing long pants at work, causing irritation? The internet says that syphilis rashes are usually painless and not itchy, but the two spots I have hurt when pressed, similar to the pain of a bruise.
Could this be syphilis? Should I seek medical attention for a blood test? Also, where do syphilis rashes typically appear?

Niming, 20~29 year old female. Ask Date: 2019/07/09

Dr. Du Shixi reply Urology


Hello: The chances of contracting syphilis without sexual intercourse are very low.
Since the symptoms of syphilis can vary widely, it cannot be diagnosed based solely on symptoms; a blood test is required for diagnosis.
The transmission you mentioned through hand contact is unlikely.
Wishing you good health.

Reply Date: 2019/07/09

More Info


Syphilis, a sexually transmitted infection caused by the bacterium Treponema pallidum, is primarily transmitted through direct contact with syphilitic sores during sexual activity. However, concerns about indirect transmission, such as through casual contact like handshakes or touching surfaces, are common but largely unfounded. Syphilis is not spread through casual contact; it requires direct contact with an infected sore, which is typically found in the genital area, anus, or mouth. Therefore, if you have not engaged in sexual activity, the likelihood of contracting syphilis through indirect means is extremely low.

Regarding your concerns about the symptoms of secondary syphilis, it is important to understand that this stage of the infection can present with a variety of skin manifestations. The rash associated with secondary syphilis is often characterized by reddish-brown spots or lesions that can appear anywhere on the body, including the trunk, arms, and legs. These rashes are typically not itchy and can vary in size and number. Some individuals may develop numerous spots, while others may have only a few.
The lesions you described on your lower leg that are red, swollen, and painful to the touch may not necessarily be indicative of secondary syphilis. Painful lesions are not typical of syphilis rashes, which are usually painless. It is possible that these could be related to other dermatological issues, such as folliculitis, acne, or even a localized infection, especially if they are tender and painful. The fact that you mentioned wearing long pants could also contribute to skin irritation or folliculitis due to friction and moisture.

If you are concerned about the possibility of syphilis or any other sexually transmitted infection, it is advisable to consult a healthcare professional. They can perform a thorough examination and may recommend blood tests to check for syphilis and other STIs. Early detection and treatment are crucial in managing syphilis effectively, as untreated syphilis can lead to serious health complications over time.

In summary, while your concerns about syphilis are understandable, the likelihood of indirect transmission is very low, especially if you have not engaged in sexual activity. The symptoms you are experiencing may not align with secondary syphilis, particularly if they are painful. It is best to seek medical advice for an accurate diagnosis and appropriate management of your symptoms. Regular check-ups and open communication with healthcare providers are essential for maintaining sexual health and addressing any concerns you may have.

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