Version 1.3, revision planned in 2013.

Last revised in October 2009

December 2010 — minor update. Nitrofurantoin capsules have been added as an alternative option to nitrofurantoin tablets in the Prescriptions. The Supporting evidence section on Nitrofurantoin formulations has also been updated. Issued in December 2010.

August 2010 — minor update. In pregnant women with suspected symptomatic cystitis, amoxicillin is not recommended for empirical use, but is an option if the pathogen is reported to be susceptible [HPA and Association of Medical Microbiologists, 2010]. Issued in September 2010.

December 2009 — minor update. Dose of trimethoprim recommended for post-coital prophylaxis reduced to 100 mg stat. Issued in December 2009.

April to October 2009 — converted from PRODIGY guidance to CKS topic structure. The evidence-base has been reviewed in detail, and recommendations are more clearly justified and transparently linked to the supporting evidence.

There have been no major changes to the recommendations on treatment, although some major changes have been made to the structure.

The approach to managing suspected cystitis reflects a change in focus from basing treatment decisions on accurate diagnosis to basing treatment decisions on the assessment of the patient's risks and preferences.