Complicated Urinary Tract Infection (ie abnormality of renal tract)


7 – 14 days

  • Samples should be taken prior to starting treatment.
  • Send blood for culture if pyrexial.
  • If fever or loin pain, or both, treat as for pyelonephritis.
Complicated UTI - first line

 Co-trimoxazole oral 960mg 12 hourly

Complicated UTI - Second line

Ciprofloxacin oral 500mg 12 hourly

Avoid ciprofloxacin in frail elderly patients where possible due to CDI risk.