Syphilis: Symptoms, Concerns, and Diagnosis - Urology

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Is there a syphilis infection?


Doctor, about two months ago, I developed an ulcer on the inner side of my foreskin that was painful and itchy, along with swollen lymph nodes in the groin that were not painful.
At that time, I also had accompanying urethritis.
Last week, I took a lot of antibiotics and anti-inflammatory medications, and while the urethritis has improved, the ulcer and lymph nodes show no signs of improvement.
I researched a lot online, and I found that syphilis ulcers are typically painless and not itchy.
My ulcer is painful and itchy, but it has shown some improvement and is not very painful anymore, although it occasionally itches.
However, the non-tender lymph nodes are what I am most worried about.
A few days ago, I also had blood tests done, and I am waiting for the results on Saturday.
I am very anxious right now.
What is the likelihood that I have syphilis given my symptoms?

Niming, 20~29 year old female. Ask Date: 2017/04/27

Dr. Fu Shizhang reply Urology


It is recommended to undergo blood tests for syphilis and HIV.

Reply Date: 2017/04/27

More Info


Understanding syphilis is crucial, especially given the symptoms you've described. Syphilis is a sexually transmitted infection caused by the bacterium Treponema pallidum. It progresses through several stages: primary, secondary, latent, and tertiary, each with distinct symptoms.
In the primary stage, a painless sore known as a chancre appears at the site of infection, which can often be mistaken for other conditions. This sore typically heals on its own within a few weeks. In the secondary stage, symptoms may include skin rashes, mucous membrane lesions, and swollen lymph nodes. The lymphadenopathy you mentioned, particularly in the groin area, can be a sign of this stage.
Your symptoms of a painful and itchy ulcer on the inner foreskin, along with groin lymphadenopathy, do not align perfectly with the classic presentation of syphilis. While it is true that syphilis sores are generally painless, the presence of pain and itching could suggest another condition, such as a herpes infection, which is also characterized by painful sores and can cause lymphadenopathy.
The fact that you have experienced urethritis and have taken antibiotics may indicate a bacterial infection, but it’s important to note that antibiotics are not effective against viral infections like herpes. The improvement in your ulcer's condition is a positive sign, but the persistent lymphadenopathy is concerning and warrants further investigation.

Regarding your concern about syphilis, the likelihood of having it can only be accurately assessed through diagnostic testing. Since you have already undergone blood tests, the results will provide clarity. The standard tests for syphilis include the Rapid Plasma Reagin (RPR) test and the Treponema pallidum particle agglutination assay (TP-PA). If these tests return positive, further confirmatory testing will be necessary.

It's also important to consider that many sexually transmitted infections can present with overlapping symptoms, making it essential to have a thorough evaluation by a healthcare professional. If your lymph nodes remain swollen or if you develop new symptoms, follow up with your doctor promptly.
In the meantime, practicing safe sex and informing any sexual partners about your symptoms is crucial to prevent further transmission of potential infections.
In summary, while your symptoms raise valid concerns, the definitive diagnosis of syphilis or any other condition can only be made through appropriate testing. It is advisable to remain calm until you receive your test results, and if you have any further questions or concerns, do not hesitate to reach out to your healthcare provider for guidance.

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