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Kidney infection

Pyelonephritis acuta · Zánět ledvin (pyelonefritida)

What it is

A bladder infection climbs to the kidney; this one can go septic.

Symptoms & signs

  • Fever and rigors
  • loin pain
  • vomiting
  • urinary symptoms
  • feeling very unwell

🚩 Get help if…

  • call 112 / 911 now Confusion, fast breathing, cold blotchy skin or fainting
  • call 112 / 911 now Unable to keep fluids down with fever and shaking chills
  • see a doctor soon Passing very little or no urine
  • see a doctor soon Fever and side pain not better after 2 days of antibiotics

Where it strikes

Medical treatment

  • 7–14 days of ciprofloxacin or co-amoxiclav
  • IV antibiotics if unwell
  • imaging for obstruction
  • drainage of pus

Natural & lifestyle

  • Hydration
  • early treatment of bladder infections
  • treat stones and obstruction

Emerging & experimental

  • Short-course IV-to-oral protocols
  • rapid resistance testing

Alternative, off-label & anecdotal

Approaches used outside the guidelines, with what their supporters report and what testing has found so far.

  • Probiotics (lactobacilli) to prevent recurrence — small trials disagree mixed evidence
  • Cranberry juice during a kidney infection — no role; this needs antibiotics anecdotal / traditional

ICD codes