This document summarizes the Dutch Working Party on Antibiotic Policy (SWAB) guideline for the antimicrobial treatment of complicated urinary tract infections. It describes SWAB's surveillance system for monitoring antibiotic resistance patterns in the Netherlands. It also outlines the development process for SWAB's UTI guideline, which involved experts from various medical professions and aimed to provide evidence-based treatment recommendations based on Dutch resistance data. The guideline scope is the empirical antibiotic treatment of hospitalized adult patients with complicated UTIs.