A 83-year-old nursing-home resident has a positive urine culture (≥100,000 CFU/mL E. coli) but no dysuria, frequency, urgency, suprapubic pain, fever,...

Question

A 83-year-old nursing-home resident has a positive urine culture (≥100,000 CFU/mL E. coli) but no dysuria, frequency, urgency, suprapubic pain, fever, or flank pain. What is the best management?

Accepted Answer

No antibiotics; do not treat asymptomatic bacteriuria

Answer

Nitrofurantoin 100 mg twice daily for 3 days

Answer

Ciprofloxacin 500 mg twice daily for 7 days

Answer

Amoxicillin-clavulanate for 5 days

Answer

Repeat urine culture and treat if nitrites remain positive

us-abfm MCQ (SBA): Asymptomatic Bacteriuria

A 83-year-old nursing-home resident has a positive urine culture (≥100,000 CFU/mL E. coli) but no dysuria, frequency, urgency, suprapubic pain, fever, or flank pain. What is the best management?