Syphilis Treatment: When to Seek Further Medical Attention - Internal Medicine

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Syphilis-related issues?


Hello, I would like to ask about my situation.
I was diagnosed with syphilis on April 28 and went to the hospital on April 29 to receive a shot of Benzathine Penicillin.
I am occasionally worried about its effectiveness; the rash has diminished, but there are still some remnants like black spots.
Additionally, a few days after the injection, my appetite has not been good, and I feel discomfort around my abdomen.
Should I go back to the hospital for a check-up, or could this be a side effect of the injection?

Will, 20~29 year old female. Ask Date: 2021/05/02

Dr. Hong Yuanbin reply Internal Medicine


Hello, regarding the syphilis blood test, the serological response is usually slower, and it typically takes 3 to 6 months for the blood test to more accurately determine whether the treatment has been successful.
Immediate blood testing may have limited usefulness.
As for your discomfort, some individuals may experience a side effect known as the Jarisch-Herxheimer reaction after receiving an injection, which usually subsides gradually over a few days.
If the discomfort persists, it is advisable to return to the clinic of the physician who administered the injection to inquire whether the medication may be causing the discomfort.
Thank you for your question.

Reply Date: 2021/05/02

More Info


When it comes to treating syphilis, it is crucial to understand the treatment process and when to seek further medical attention. Syphilis is a sexually transmitted infection caused by the bacterium Treponema pallidum. The standard treatment for syphilis, particularly in its early stages, is a single injection of benzathine penicillin G, which is effective in eradicating the infection. However, the effectiveness of the treatment and the patient's response can vary, and monitoring for symptoms is essential.

From your description, it appears that you received treatment on April 29th, and you are noticing some changes in your symptoms, such as the reduction of a rash but the presence of black spots and gastrointestinal discomfort. It is important to note that while some symptoms may improve after treatment, others may persist or even develop as your body reacts to the medication and the healing process begins.

Here are some key points to consider regarding your situation:
1. Effectiveness of Treatment: After receiving benzathine penicillin, it is common for symptoms to gradually improve. However, it can take time for all symptoms to resolve completely. The presence of black spots or any new skin changes should be monitored, as they may indicate a reaction to the treatment or another underlying issue.

2. Gastrointestinal Symptoms: The gastrointestinal discomfort and decreased appetite you are experiencing could be related to the injection or could be a separate issue. Antibiotics can sometimes cause gastrointestinal upset, but it is essential to differentiate between a mild reaction and something that requires further evaluation.

3. Follow-Up Care: It is crucial to have follow-up appointments after treatment for syphilis. These appointments typically involve blood tests to ensure that the infection has been successfully treated. The Centers for Disease Control and Prevention (CDC) recommends follow-up testing at 6 and 12 months after treatment for early syphilis.

4. When to Seek Further Medical Attention: You should seek further medical attention if:
- Your symptoms worsen or do not improve after a few days.

- You develop new symptoms, such as fever, severe abdominal pain, or any signs of an allergic reaction (e.g., rash, itching, swelling).

- You have concerns about the effectiveness of the treatment or if you feel that your symptoms are not typical for post-treatment recovery.

5. Communication with Your Healthcare Provider: It is always best to communicate openly with your healthcare provider about any concerns you have. If you are feeling uncertain about your symptoms or the treatment's effectiveness, do not hesitate to reach out for advice. They may recommend additional tests or examinations to ensure that everything is progressing as it should.

In conclusion, while some discomfort and lingering symptoms can be normal after treatment for syphilis, it is essential to monitor your condition closely. If you have any doubts or if your symptoms change, seeking further medical attention is a prudent decision. Your health and peace of mind are paramount, and your healthcare provider is there to support you through your recovery.

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