Testicular Inflammation and Persistent Semen Infections - Urology

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Orchitis and semen infection?


Hello, doctor.
I previously experienced testicular pain and was diagnosed with urethritis and orchitis.
After taking tetracycline for two weeks, my symptoms resolved.
I then underwent semen and urine bacterial cultures, which revealed the presence of bacteria in my semen.
Based on the antibiotic resistance of the bacteria, the doctor prescribed two more weeks of amoxicillin.
After completing the course and repeating the cultures, the same type of bacteria was still found in my semen, but some antibiotic resistances had diminished while resistance to amoxicillin had developed.
This raised suspicion of reinfection, and I was subsequently prescribed two weeks of levofloxacin.
I believe my hygiene habits are fairly good, and I often drink plenty of water.
Doctor, could you please clarify whether the bacteria is a reinfection or if it is more likely that the original bacteria were not eradicated by the antibiotics? Additionally, what are the potential consequences of being a long-term carrier of this bacteria?

Niming, 10~19 year old female. Ask Date: 2021/04/12

Dr. Du Shixi reply Urology


Hello: 1) Is it more likely that the bacteria is a reinfection or that the original bacteria were not completely eradicated by the antibiotics? --> It's hard to say; if there is sexual activity during treatment, the chance of reinfection may be higher.
2) What are the consequences of being a long-term carrier? --> It could potentially lead to a chronic infection.
Wishing you good health.

Reply Date: 2021/04/12

More Info


Testicular inflammation, often referred to as orchitis, can be a complex condition that may arise from various causes, including infections, trauma, or autoimmune responses. In your case, the diagnosis of urethritis and orchitis suggests that the inflammation is likely due to an infectious process, which can be bacterial in nature.
The treatment you received with tetracycline and subsequently amoxicillin indicates that your healthcare provider was targeting bacterial pathogens commonly associated with these conditions. However, the persistence of bacteria in your semen after treatment raises important considerations regarding the nature of the infection and the effectiveness of the antibiotics used.

1. Reinfection vs. Persistent Infection: The fact that the same bacteria were found in your semen after treatment could suggest either a reinfection or a failure of the antibiotics to completely eradicate the bacteria. Bacterial resistance can develop, particularly if the same antibiotic is used repeatedly without success. This is a significant concern in the treatment of infections, as some bacteria can develop resistance to multiple antibiotics, making them harder to treat.
2. Antibiotic Resistance: The emergence of antibiotic resistance is a growing problem in medicine. If the bacteria in your semen have developed resistance to amoxicillin, it may be due to inadequate dosing, incomplete treatment courses, or the bacteria's inherent ability to resist certain antibiotics. This is why your physician has now prescribed levofloxacin, which is a fluoroquinolone antibiotic that may be effective against resistant strains.

3. Hygiene and Lifestyle Factors: While you mentioned maintaining good hygiene and drinking plenty of water, it's important to recognize that infections can still occur due to various factors, including sexual activity, underlying health conditions, or even anatomical issues. If you have multiple sexual partners or engage in unprotected sex, this can increase your risk of exposure to resistant bacteria.

4. Long-term Consequences of Persistent Infection: If the infection persists, it can lead to complications such as chronic pain, infertility, or the spread of infection to other areas, including the epididymis (epididymitis) or even the prostate (prostatitis). Chronic inflammation can also lead to scarring and other structural changes in the reproductive system.

5. Next Steps: It is crucial to follow up with your healthcare provider after completing the course of levofloxacin. They may recommend further testing, including repeat cultures, to assess whether the infection has resolved. Additionally, discussing your sexual health and any potential need for testing or treatment for partners is important to prevent reinfection.

6. Preventive Measures: To reduce the risk of future infections, consider practicing safe sex, including the use of condoms, and maintaining regular check-ups with your healthcare provider. If you have recurrent infections, further evaluation may be warranted to identify any underlying issues that could be contributing to your susceptibility.

In summary, the persistence of bacteria in your semen after antibiotic treatment raises concerns about either reinfection or antibiotic resistance. It is essential to continue working closely with your healthcare provider to monitor your condition and adjust treatment as necessary. Taking proactive steps in your sexual health and hygiene can also help mitigate the risk of future infections.

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