This is the full version of NICE clinical guideline 117. It contains details of the methods and evidence used to develop the guideline. It updates and replaces the full version of ‘Tuberculosis: clinical diagnosis and management of tuberculosis, and measures for its prevention and control’ that was developed by the National Collaborating Centre for Chronic Conditions and published by the Royal College of Physicians in March 2006. The updated recommendations have been developed by the Centre for Clinical Practice at NICE following the NICE short clinical guideline process