In men who are frail and elderly, and/or catheterized, and/or in institutional care, do not rely on classical symptoms or signs to predict the likelihood of UTI — in these men, UTI may present with atypical symptoms. UTI is likely if dysuria alone is present or two of: temperature 1.5ºC above normal twice in 12 hours, new frequency or urgency, new incontinence, new or worsening delirium/debility, new suprapubic pain or visible haematuria.