Urinary tract infection (UTI) is the most common bacterial infection among adults throughout the world, with an estimated annual global incidence of 150-250 million cases.1,2 Females of child bearing age constitute the most commonly affected group; while patients with diabetes mellitus (DM) are also at increased risk for UTI.3 Enteric Gram-negative organisms are the predominant infective agents responsible for UTI with Escherichia coli being at the top of the list and is responsible for 60-90% cases in different series followed by Klebsiella pneumonia. 3-5