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Treatment of Male UTI SYMTOMS are end urination burning micturition with fever history of nepholithiasis

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"Urinary Tract Infections"[MeSH Terms] AND "Men"[MeSH Terms]

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EAU guidelines urological infections male UTI complicated pyelonephritis antibiotic duration 7 days obstruction stone

Male UTI with fever and a history of nephrolithiasis

Classification

Any UTI in a man is treated as complicated. Fever plus a stone history suggests upper tract infection (pyelonephritis) or acute bacterial prostatitis. The main danger is an infected obstructing stone, which is a urological emergency. In men with culture-proven UTI, look for an underlying anatomic abnormality. Nephrolithiasis is listed as a complicating factor (Tintinalli's Emergency Medicine, Table 91-1).

Step 1: Assess severity and work up

  • Vitals and sepsis screen: check for hypotension, tachycardia, altered sensorium and rigors.
  • Urine: do a urinalysis and urine culture before antibiotics.
  • Blood: send blood cultures if febrile or septic. Also check CBC, creatinine and electrolytes, and CRP or procalcitonin if available.
  • Imaging: do an urgent ultrasound or non-contrast CT KUB to look for hydronephrosis, an obstructing stone, or an abscess. The textbook notes that men with UTI usually undergo imaging to exclude obstructive uropathy.
  • Prostate: avoid vigorous rectal examination if acute prostatitis is suspected, because it is painful and can cause bacteremia (Textbook of Family Medicine 9e).
  • Differentials: consider STI (urethritis) if he is young and sexually active, and epididymitis.

Step 2: Antibiotics

Admit and give IV therapy if any of these apply:
  • sepsis
  • vomiting
  • obstruction
  • a solitary kidney
  • diabetes or immunosuppression
  • failed oral therapy
Empirical options, to be adjusted to culture and local resistance:
SettingOptions
Stable, outpatientCiprofloxacin 500 to 750 mg BD or levofloxacin 500 to 750 mg OD, only if local fluoroquinolone resistance is below 10%. Give an initial IV dose of ceftriaxone if using TMP-SMX or a beta-lactam.
Admitted or septicCeftriaxone 1 to 2 g IV daily, or piperacillin-tazobactam, or an aminoglycoside. Use a carbapenem if ESBL risk is present (previous instrumentation, recent antibiotics, or hospital exposure).
Avoid nitrofurantoin, oral fosfomycin and pivmecillinam. They do not reach adequate tissue levels in febrile or upper tract infection and prostatitis. The EAU guidelines make this a strong recommendation.
Duration:
  • The EAU recommends about 7 days for fluoroquinolones, with levofloxacin 5 days in selected cases. TMP-SMX or beta-lactams need longer, about 7 to 14 days.
  • Extend to 14 days if prostatitis cannot be excluded or the response is slow.
  • Chronic bacterial prostatitis needs prolonged therapy, typically 4 to 12 weeks, because antibiotic penetration into the prostate is poor (Textbook of Family Medicine).
  • This duration advice is from my reading of the EAU pocket guideline and the Family Medicine text. Check local protocols for exact regimens.

Step 3: Source control (most important with a stone)

  • If imaging shows an obstructing stone with infection, decompress urgently with a ureteral stent or percutaneous nephrostomy. Antibiotics alone are inadequate.
  • Defer definitive stone treatment (ureteroscopy, PCNL or lithotripsy) until the infection has cleared.
  • Give analgesia (NSAIDs if renal function allows) and IV fluids.

Step 4: Follow-up

  • Expect improvement within 72 hours. If there is no response, look for obstruction, renal or perinephric abscess, or emphysematous pyelonephritis. These are classically seen with stones and diabetes. Repeat imaging with CT (Textbook of Family Medicine).
  • Review the culture and narrow therapy.
  • Treat the stone and metabolic cause after recovery, with hydration advice and a metabolic evaluation.
  • Investigate recurrent UTI in men with uroflowmetry, post-void residual and a prostate assessment.

Recent evidence check

A PubMed search of systematic reviews from the last two years found nothing that changes this approach. I did not find a recent review specific to male UTI.
If you share his age, vitals, creatinine and imaging, I can tailor this further.
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