The first edition of the Namibia Standard Treatment Guidelines is a result of collaborative effort of health care workers across all levels of health care in the public and private health sector. For many years since independence, Namibia has relied on the Treatment Manual for Clinics and the Pocket Manual for Health Workers, which were published in 1992 and 1996, respectively, for the management of most common health conditions. Taking into account the considerable changes in policies, guidelines diseases profiles, and clinical practice, it was imperative to revise and consolidate the guidelines into a comprehensive standard treatment guidelines (STG) that would be of benefit to all health care workers. These STGs will support medical officers, nurses, pharmacists and all other health care providers involved in the management of patients in the public and private sector in Namibia.