The consolidated guidelines are complemented by an operational handbook which is designed to assist with implementation of the WHO recommendations by Member States, technical partners and others who are involved in the management of patients with DR-TB. The WHO Operational Handbook on Tuberculosis, Module 4: Treatment - Drug-Resistant Tuberculosis Treatment provides practical guidance on how to put in place the recommendations at the scale needed to achieve national and global impact. The document provides information on different aspects of care and support for TB patients. In particular, the handbook provides practical guidance on the implementation of the interventions that enable treatment adherence such as social support, treatment administration options, digital adherence technologies. The practical guidance also includes models of care for all TB patients, models of care for children and adolescents, integrated care for TB, HIV and comorbidities, engagement of private sector, managing of TB in health emergencies. This new practical handbook also includes two important chapters on health education and counselling, and palliative care for patients with TB.