Urinary tract infection
Urinary tract infection · ICD-10: N39.0
Symptoms
- • Pain or burning with urination
- • Frequent or urgent need to urinate
- • Cloudy or foul-smelling urine
- • Blood in the urine
- • Lower belly or pelvic pain
- • Wetting after toilet training
- • Fever, chills and flank pain (kidney infection)
- • Nausea and vomiting
Drugs and regimens
GU/GI infection — >20 kg: 500 mg four times daily
GU/GI — ≤20 kg: 100 mg/kg/day in 4 doses
Uncomplicated cystitis — adults: 1–2 g per day
UTI — children: 30 mg/kg/day in 2 doses
Uncomplicated UTI — 8 mg/kg once daily
Uncomplicated UTI — 4 mg/kg every 12 h
Adults, >45 kg or >12 years — 400 mg daily
Adults and ≥15 years — 250 mg every 6 h
Urinary tract infection: 250–500 mg every 12 h, 7–14 days
Acute uncomplicated cystitis: 250 mg every 12 h, 3 days
Complicated UTI/pyelonephritis — 1–17 y: 10–20 mg/kg every 12 h
Acute uncomplicated cystitis — women ≥18 y: one 3 g sachet, single dose
Uncomplicated UTI: 250 mg daily, 3 days
Complicated UTI/pyelonephritis: 750 mg daily, 5 days
UTI — >12 y: Macrobid 100 mg every 12 hours for 7 days
UTI — adults (macrocrystals): 50–100 mg four times daily
UTI — ≥1 month: 5–7 mg/kg/day in 4 doses
Long-term UTI suppression — children: 1 mg/kg/day
UTI — TMP 8 mg/kg/day every 12 h, 10 days
Adults — 20 mL (TMP 160 mg) every 12 h