If fever persists, the condition does not improve, or the gram stain of the urine remains positive, despite treatment, you may need to rule out obstruction or perinephric abscess.

The duration of treatment of urinary tract infections in the elderly is different for men and women.

• For women, typically a 3-5 day course of antibiotic therapy is recommended,
  
• For men, it is important to consider the possibility of a prostatic focus.
  
  • if present, treat with antibiotics for at least 14 days.

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