Piggott and colleagues raise a valid point about high asymptomatic bacteriuria rates in elderly people being mistaken for active urinary tract infections (UTIs).1 Over-prescription of antibiotics incurs significant morbidity to the patient (side effects and Clostridium difficile risk in vulnerable cohorts) and the wider population (antimicrobial resistance and wasted resources). It is often clinical interpretation of results that is flawed, however, …