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What should I do about persistent burning during urination and potential trichomoniasis after previous treatments?
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Sexual Health & Wellness
Question #30505
49 days ago
215

What should I do about persistent burning during urination and potential trichomoniasis after previous treatments?

Client_ceab30

About me:27 Male, 165cm height, 50kg weight, no other health issues or allergies other than ones mentioned below. I do smoke. I was diagnosed with Ureaplasma urealyticum, Gardnerella vaginalis in September 2024 in Europe. Symptoms were burning when peeing and pain during ejaculation. No discharge or rash or any other symptoms. A Physician gave me metronidazole and doxycycline for 10 days. I Didn't take it properly because of finances so it came back. I couldn't again afford to go to doc and take treatment until March 2025. By this time I had developed chronic pain in tailbone and lower back from prostatitis and also epididymitis pain two times. In March 2025, I was in India and met an infectious disease specialist gave me 300 mg metronidazole 3 times a day for 2 weeks along with doxycycline 100mg twice a day. Stopped it at day 10 for 4 days due to extreme nausea and vomitting from metro. Then he prescribed 2g/day secnidazole for 2 weeks along with same dose doxy. At 5 days I had severe nausea and bloating and pain to right side of stomach. So discontinued it 5th day and again started after 4 days but this time only 500mg twice daily. Even then I had severe stomach issues so he added vonoprazan 10mg at night. With this I was somehow able to sustain it although it was still really bad. At two weeks since symptoms were still there he asked me to continue secnil and doxy for another 2 weeks. I did. At the end of this 4th week, my stomach was almost done and symptoms seemed to have been gone almost except still slight pain in tailbone due to prostatitis. He asked me to continue for another one week since slight symptoms were there. But since I was so done with stomach issues I only took it for 3 more days and discontinued. I didn't tell him thinking it's most likely gone and it's just inflammation of prostate. I told him I had finished the course and that all symptoms were gone except a slight tail bone pain which is barely not even noticable unless I pay attention to it when I sit. He said that's fine and asked me to retest after a month. In June 2026 I took another urine test. The test this time came back with negative for Ureaplasma urealyticum but gardnerella was still there. But this time on test it showed positive for trichomoniasis vaginalis as well which I was surprised by because last time it was negative. I had no new partners in between and was sexually inactive since. But at the end of that last few days of taking doxy and secnil my feet started to feel like it's tingling when I sleep. In a month that pain became worse and worse to a point I couldn't fall asleep in the night without taking diclofenac tablet as well as apply diclofenac ointment on feet. That too this worked only for an hour and if I didn't fall asleep I had to reapply again and take another diclofinac. He gave me b12, ALA and some other b vitamins containing tablet. It took another 2 months for the pain to become low. However it was there for another 6 months slightly until in the sixth month I took b complex supplement along with b12. Going back to timeline : After the test results came back with positive for trich and Gardnerella he asked me to take secnil or tinidazole for another two weeks. But I told him I already have this pain in feet so he asked me to see a neurologist. The neurologist told me to start gabapentin along with some vitamins and suppliment tablets for a week before starting another dose of secnil. I couldn't because I had to travel back to Europe. This was September 2025. From that time till now I have just left it as it is. Now in May 2026 im in Europe, the feet pain is completely gone and still have slight burning sensation during urination and also my urine smells bad. I don't have tail bone pain anymore. I think I still must have gardnerella and trichomoniasis. What should I do now is the question. Should I take gabapentin and other suppliments and start another course of metro or secnil or tinidazole? If so for how long? Because last time it took 4 weeks for the STD symptoms to reduce to almost null. This time me taking these for 4 weeks is DANGEROUS because of given previous neuropathy is what chatGPT says and that it will start within days of starting nitroimidazoles this time. Also once in December 2025 I had taken a Ciplox tz 500mg twice daily for just 5 days which contains tinidazole in it because of another infection related to fever and cold and in 5 days the neuropathy pain came back quite quickly. Don't remember the intensity tho. Maybe not as intense I think. Should I risk it and take gabapentin and start a nitroimidazole like my neurologist said? If so what are the dangers? Will I get permanent disability in limbs or something? Is there a chance I will get any type of damage or toxicity in CNS like brain? What are other options I have other than nitroimidazoles? Are there any other antiprotozoal drugs? Should I first take a course of clindamycin to clear gardnerella first so that it becomes easy to fight trichomoniasis this time and may require only a short 2 week course at maximum? Should I try herbal treatments like garlic extract tablets or some other suggestions you may have? Any help, thoughts and suggestions would be greatly appreciated.

How long have you been experiencing the burning sensation during urination?:

- More than 1 month

Have you noticed any other symptoms besides burning during urination?:

- Foul-smelling urine

Have you taken any medications or supplements since your last visit?:

- Only vitamins/supplements

How would you describe the intensity of the burning sensation?:

- Mild — barely noticeable

Have you had any changes in your sexual activity or partners since your last test?:

- No, no new partners

How do you feel about the potential side effects of gabapentin or nitroimidazoles?:

- I need more information before deciding

Do you have any other health conditions or take any other medications?:

- No, I'm generally healthy
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Doctors' responses

Hello It sounds like you’re weighing treatment for trichomoniasis (or another protozoal infection) against concerns about medication side effects. I can provide general information, but I can’t tell you whether you personally should take a medication without knowing your full medical history.

A few important points:

### Nitroimidazoles (metronidazole, tinidazole, secnidazole)

These are the standard treatments for trichomoniasis. Most people take them without developing permanent neurological injury.

Possible side effects include:

* Nausea, metallic taste, stomach upset * Headache, dizziness * Fatigue

Rare but recognized neurological side effects can include:

* Peripheral neuropathy (numbness, tingling, burning sensations) * Coordination problems or dizziness * Very rarely, central nervous system toxicity (encephalopathy, seizures, cerebellar symptoms)

The risk of serious neurological toxicity is generally much higher with:

* Long treatment courses * High cumulative doses * Pre-existing neurological disease

Permanent disability affecting limbs is considered uncommon. Most reported neurological adverse effects improve after the drug is stopped, although recovery can sometimes take weeks to months.

### Gabapentin

Gabapentin is often prescribed to help manage neuropathic pain or abnormal nerve sensations. Common side effects include:

* Drowsiness * Dizziness * Unsteadiness * Fatigue

It is not generally known to cause permanent CNS damage when used as prescribed.

### Alternatives to nitroimidazoles

For trichomoniasis specifically, treatment options are limited. Nitroimidazoles remain the main proven therapy. If there is treatment failure, specialists may use different dosing regimens of metronidazole or tinidazole rather than switching to an entirely different drug.

Other antiprotozoal drugs exist for other infections, such as:

* Paromomycin * Nitazoxanide * Atovaquone * Pentamidine

However, these are not standard replacements for trichomoniasis.

### Gardnerella and clindamycin

If you have confirmed bacterial vaginosis caused by Gardnerella, treatment may sometimes be appropriate. However, treating Gardnerella first does not necessarily make trichomoniasis easier to eradicate, and delaying proven trichomoniasis treatment without a clear plan may not help.

Whether clindamycin is appropriate depends on:

* Confirmed diagnosis * Current symptoms * Laboratory results * Previous treatment history

### Herbal treatments

Garlic, herbal extracts, supplements, and similar remedies have not demonstrated reliable cure rates for trichomoniasis in clinical studies. They should not be considered a proven substitute for standard treatment.

Thank you

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Hello, Thank you for providing such a detailed history. Based on what you have described, I would strongly advise against starting another prolonged course of metronidazole, secnidazole, or tinidazole on your own.

A few important points:

1. Your diagnosis needs to be reconfirmed before further treatment. The positive test for Gardnerella and Trichomonas was almost a year ago, and you have not had any new sexual partners since then. It is possible that the current symptoms are due to residual inflammation, chronic prostatitis/chronic pelvic pain syndrome, or another urinary condition rather than active infection.

2. The burning during urination is currently mild, and your previous symptoms (prostatitis pain, epididymal pain, tailbone pain) have largely resolved. Before exposing yourself again to medications that previously caused significant side effects, repeat testing is warranted.

3. The neuropathic symptoms you developed after prolonged nitroimidazole exposure are concerning. Peripheral neuropathy is a recognized adverse effect of metronidazole, tinidazole, and secnidazole, especially with prolonged or repeated courses. The fact that your symptoms recurred when you later took a tinidazole-containing medication suggests you may be particularly susceptible.

4. While many cases of drug-induced neuropathy improve after stopping the medication, repeated exposure may increase the risk of prolonged or potentially irreversible nerve injury. Therefore, further nitroimidazole treatment should only be considered if active infection is confirmed and the benefits clearly outweigh the risks.

At this stage, I would recommend: • Repeat NAAT/PCR testing for Trichomonas vaginalis. • Repeat testing for common sexually transmitted infections as advised by your physician. • Urinalysis and urine culture. • Evaluation by a urologist if symptoms persist despite negative testing.

If Trichomonas infection is confirmed, treatment options should be discussed with an infectious disease specialist, taking into account your prior neuropathy history. The choice of medication, dose, and duration should be individualized rather than automatically repeating a prolonged course.

There is currently insufficient evidence to recommend herbal therapies such as garlic supplements as a substitute for proven treatment of Trichomonas infection. Similarly, taking clindamycin first to “make treatment easier” is not a standard approach for male Trichomonas infection.

Final Prescription/Advice: • Do not self-start metronidazole, secnidazole, or tinidazole without repeat testing and medical review. • Arrange repeat NAAT/PCR testing for Trichomonas vaginalis and other relevant infections. • Obtain urinalysis and urine culture. • Maintain good hydration and avoid smoking if possible, as it may worsen urinary tract irritation. • Consult an infectious disease specialist or urologist with your previous records before considering further antimicrobial therapy. • Seek prompt medical attention if you develop fever, worsening urinary symptoms, testicular pain, urinary retention, weakness, numbness, or recurrence of neuropathic symptoms.

Feel free to reach out again.

Regards, Dr. Nirav Jain MBBS, D.Fam.Medicine

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It’s crucial to address persistent urogenital symptoms properly, especially given your history of side effects and resistance to conventional treatment. First, it’s essential to confirm ongoing infections with precise diagnostic tests, including an urinalysis and tests for sexually transmitted infections, as misdiagnosis could complicate treatment planning. For trichomoniasis, nitroimidazoles are indeed first-line, but your history of neuropathy is concerning. Gabapentin can help manage neuropathic pain, but its role in preventing neuropathy during nitroimidazole treatment isn’t well-defined. Since you experienced peripheral neuropathy after prior nitroimidazole use, seeking an infectious disease specialist’s guidance is vital as they might consider alternative treatments like paromomycin or single-dose tinidazole (lower duration) under specific circumstances. For Gardnerella, clindamycin could be an option; however, it would depend on its identification and whether it’s symptomatic or causing recurrent issues.

Any herbal treatments, like garlic extract, lack robust evidence for treating these infections and shouldn’t replace first-line treatments, but can be discussed as adjunctive under physician supervision. Avoid self-treatment based on previous experiences without professional guidance because potential risks can outweigh benefits, particularly regarding neuropathy. A tailored evaluation, considering both your medical history and current health context, helps guide therapy. Consult care providers promptly as they will also evaluate potential complications and ascertain suitable adjustments to minimize adverse effects while addressing infections effectively. Continuous monitoring and emphasis on completion of proper regimens (if advised) are crucial to avoid recurrence or resistance. Re-evaluation regarding other medications or potential drug interactions is essential, especially given prior side effects.

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Hello dear See as per clinical history it seems presence of infection due to Bacteria White blood cells It is recurrent infection which is associated with Antibioma Decreased immunity Medication side-effects General body weakness

Probably diagnosis includes Uti infection preferably pseudomonas and trichomonas Glomerulunephritis Nephrotic syndrome Bladder issue Iam suggesting some tests Please share the result with urologist in person for better clarity Cbc Esr Serum ferritin Serum tsh Serum hb Rft Lft Gfr Serum creatinine Serum bilirubin Hemogram Urine analysis Urine culture Kidney USG Kindly note Donot take Gabapentin without consulting concerned physician No this disability will go it is transient only probably 6-8 months Please donot take any ayurvedic medicine without consulting the concerned physician Hopefully you recover soon Regards

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Hello

Given your history, I would not recommend starting metronidazole, secnidazole, or tinidazole on your own. The fact that you developed significant neuropathy symptoms during prolonged nitroimidazole therapy, and that the symptoms appeared to recur when you later took tinidazole, raises concern that these drugs may have been the cause. Re-exposure could potentially trigger neuropathy again, and although permanent nerve damage is uncommon, it is a recognized risk with repeated exposure.

Before any treatment, you should be retested. A positive test from 2025 does not prove that you still have active Trichomoniasis or persistent Gardnerella now. Mild burning urination and urine odor can also be caused by chronic prostatitis, urinary tract issues, bladder irritation, or other infections. A repeat urine NAAT/PCR and evaluation by a urologist or sexual health specialist would be the safest next step.

If trichomoniasis is confirmed, treatment becomes more complicated because nitroimidazoles are normally the standard and most effective drugs. In someone with a history suggestive of drug-induced neuropathy, the risks and benefits need to be assessed by a specialist rather than automatically prescribing another long course. Gabapentin may help nerve pain symptoms, but it does not prevent nerve toxicity from occurring.

I would not rely on garlic, herbal remedies, or self-treating with clindamycin. Clindamycin is sometimes used for Gardnerella-related conditions but is not considered a reliable treatment for trichomoniasis.

My suggestion is: get repeat testing first, preferably through a urologist or sexual health clinic in Europe, and discuss your previous neuropathy before taking any further nitroimidazole medication. If infection is confirmed, an infectious disease specialist can help determine whether treatment is necessary and how to minimize the risk of recurrent nerve injury.

Take care Feel free to reach out again Regards

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In summary, this is a complex situation involving prior treatment for Ureaplasma urealyticum, persistent positive tests for Gardnerella vaginalis and Trichomonas vaginalis, and a history strongly suggestive of nitroimidazole-associated peripheral neuropathy after prolonged exposure to metronidazole/secnidazole/tinidazole. Because your foot symptoms recurred after later tinidazole exposure, it would be unwise to self-start another prolonged course of these medications without reassessment by an infectious disease specialist and possibly a neurologist. The first step should be repeat testing (preferably a NAAT/PCR test) to confirm whether Trichomonas and/or Gardnerella are still present, since persistent urinary symptoms can also result from chronic prostatitis, pelvic pain syndrome, or other urinary conditions rather than active infection. If Trichomonas is confirmed, treatment options and duration should be determined by a specialist, taking into account your previous neuropathy risk. Prolonged nitroimidazole therapy can rarely lead to persistent or even permanent nerve injury, although severe disability is uncommon, and neurological side effects generally improve after stopping the drug. Gabapentin may help neuropathic pain but does not prevent nerve toxicity from future exposure. Clindamycin may have a role against Gardnerella but is not considered a reliable treatment for Trichomonas, and herbal remedies such as garlic supplements have not been proven to eradicate these infections. Given your history, the safest approach is confirmation of active infection first, followed by individualized treatment planning with an infectious disease physician rather than empirically repeating a long course of nitroimidazole antibiotics.

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