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Urinary Tract Infection Treatment

Urinary tract infection treatment — antibiotics and follow-up in uncomplicated and complicated infections.

Management of bacterial infections of the bladder, kidney, or urethra with appropriate antibiotic therapy and supportive care, guided by culture results.

Indication

  • Frequent urination, burning during urination, urgency (signs of cystitis)
  • Flank pain, fever, chills, nausea (upper urinary tract infection / pyelonephritis)
  • Bloody, cloudy, or foul-smelling urine
  • Recurrent urinary tract infection (2 or more episodes per year)
  • Asymptomatic bacteriuria detected during pregnancy
  • Positive urine culture before a urinary tract procedure
  • Unexplained fever or confusion in elderly patients

Preparation

  • Before treatment, urinalysis is performed and a clean midstream urine sample is collected for urine culture
  • In complicated cases, blood tests, kidney function tests, and imaging may be requested
  • Previous antibiotic use and allergy history must be reported
  • Pregnancy status is reviewed; medications safe during pregnancy are selected

How it's performed

  1. In uncomplicated (cystitis) cases, empirical antibiotic therapy is started without waiting for the culture result
  2. Treatment duration is 3-7 days in uncomplicated cases and extends to 7-14 days in complicated ones
  3. In cases with flank pain, fever, or general deterioration, intravenous antibiotics are administered
  4. Plenty of fluid intake and, when needed, urinary tract analgesics are given to reduce pain and burning
  5. The antibiotic is changed if needed according to the culture result
  6. In recurrent or complicated cases, the underlying cause (stone, stricture, catheter) is investigated

Post-procedure

  • Response can be evaluated with a urine culture 7-14 days after treatment is completed
  • In recurrent infections, prophylactic low-dose antibiotics or behavioral measures are planned
  • Adequate fluid intake, not retaining urine, and hygiene recommendations are important during long-term follow-up
  • Urinary tract imaging may be performed 4-6 weeks after upper urinary tract infection
  • A new culture is obtained in case of recurrent symptoms

Risks

  • Progression of untreated infection to the kidney (pyelonephritis) and rarely sepsis
  • Allergic reaction to antibiotics or disruption of intestinal flora
  • Development of resistant bacteria in recurrent infections
  • Risk of preterm birth from an untreated infection during pregnancy
  • Deterioration of kidney function in complicated cases

FAQ

How long is the antibiotic used?

In uncomplicated lower urinary tract infection, 3-7 days is sufficient. In upper urinary tract or complicated infections, the duration extends to 7-14 days.

Is drinking plenty of water enough on its own?

Adequate fluid intake is supportive, but when a bacterial infection is confirmed, appropriate antibiotic therapy is required.

Why do my infections keep recurring?

Anatomical abnormalities, stones, incomplete bladder emptying, hormonal changes, or hygiene habits may play a role. A detailed evaluation is recommended.

Can I stop the medication once symptoms resolve?

No. If the treatment course is not completed, the infection may recur and resistant bacteria may develop.