“…Both UTI and AFBN can present with dysuria, flank or abdominal pain and fever. However, severe clinical presentation, rapid deterioration, lack of clinical improvement 48–72 hours after treatment initiation, urinary tract malformations and additional gastrointestinal or neurological symptoms could point towards AFBN rather than UTI 2–4. Furthermore, data suggest that patients with AFBN have higher inflammatory parameters as well as higher temperatures at presentation 5.…”