Chronic Pelvic Pain Syndrome: Why More Antibiotics Are Not Always the Answer

Many men with long term pelvic pain or burning when passing urine are given antibiotics, then another course, and sometimes another. Some improve for a while, then the symptoms come back. Others feel no better at all. For most of these men, the problem is not an infection, and more antibiotics are not the answer.

This article explains why, and how careful testing, sometimes called diagnostic stewardship, leads to better treatment for chronic pelvic pain syndrome (CPPS).

Not every prostatitis is an infection

Doctors group prostatitis into types. Acute bacterial prostatitis is a sudden, serious infection with fever and feeling very unwell, and it needs prompt antibiotics. Chronic bacterial prostatitis is a long term infection, usually with repeated urinary infections caused by the same bacteria. Both are real and need antibiotics. But they are the minority. Most men with long term pelvic pain have chronic pelvic pain syndrome, where no bacteria are found.

What the research shows

In a large randomised trial funded by the US National Institutes of Health, men with established CPPS were given the antibiotic ciprofloxacin, the alpha blocker tamsulosin, both, or placebo for six weeks. None of the treatments worked better than placebo. A separate trial of levofloxacin came to the same conclusion. Some men do feel better on antibiotics, but this may reflect the natural ups and downs of the condition, a placebo effect, or the mild anti inflammatory effects of some antibiotics, rather than cure of an infection.

European guidance does allow a single course of antibiotics early in the illness, typically in the first year, when an infection has not been ruled out. What it does not support is repeated, untested courses.

Why repeated antibiotics can cause harm

• Side effects: fluoroquinolone antibiotics, often used for prostatitis, carry warnings about tendon damage, nerve problems and other rare but serious effects.
• Resistance: every unnecessary course encourages bacteria that no longer respond to antibiotics, for you and for the community.
• Gut upset: antibiotics disturb the normal bacteria in the bowel, causing diarrhoea and, rarely, serious infections.
• Delay: while antibiotics are being repeated, the real drivers of the pain, such as tense pelvic floor muscles, nerve sensitivity and stress, go untreated.

What diagnostic stewardship means for you

Diagnostic stewardship simply means testing properly before treating. For a man with pelvic pain, that usually involves:

• A urine test and urine culture before any antibiotic is started
• Prostate specimen testing, such as a urine sample before and after prostate massage, in selected cases where chronic bacterial infection is suspected
• Checking for other causes, including sexually transmitted infections where relevant, stones, an enlarged prostate or other conditions
• Using a symptom questionnaire to measure how you are doing over time

If an infection is found, a targeted antibiotic is chosen to match the bacteria. If not, treatment moves to approaches that do help CPPS: alpha blockers for urinary symptoms, pain relief, pelvic floor physiotherapy, lifestyle changes, support for stress and sleep, and in selected patients low intensity shockwave therapy. This tailored, multimodal approach, often guided by the UPOINT system, has been reported to help about three in four men.

If you have had pelvic pain, burning or urinary symptoms for three months or more, a proper assessment is the first step. Book a consultation with Dr Datesh.

References

1. Alexander RB, et al. Ciprofloxacin or tamsulosin in men with chronic prostatitis/chronic pelvic pain syndrome: a randomized, double blind trial. Annals of Internal Medicine. 2004;141(8):581 to 589.
2. Nickel JC, et al. Levofloxacin for chronic prostatitis/chronic pelvic pain syndrome in men: a randomized placebo controlled multicenter trial. Urology. 2003;62(4):614 to 617.
3. Brenneis H, Haas H. Chronic prostatitis: a diagnosis of exclusion. European Association of Urology patient information. August 2024.
4. European Association of Urology. EAU Guidelines on Chronic Pelvic Pain. 2025 edition.
5. Bryk DJ, Shoskes DA. Using the UPOINT system to manage men with chronic pelvic pain syndrome. Arab Journal of Urology. 2021;19(3):387 to 393.
6. Daneshwar D. Chronic pelvic pain syndrome: the most common urological disease medicine chose to forget. BJU International. 2025.

Content by Uroheal, the practice of Dr Datesh Daneshwar, Consultant Urologist, Prince Court Medical Centre, Kuala Lumpur. Published 5 November 2026. This article is general information and does not replace a consultation with a doctor.