Prevalence and burden of headaches as assessed by the health family program.

Background: Unified health systems often have Family Health Programs (FHPs) as a core component of their preventive and early curative strategies. In Brazil, the FHP is established to proactively identify diseases such as diabetes and hypertension.

Objective: To use the FHP in order to assess the prevalence of primary headaches, as per the Second Edition of the International Classification of Headache Disorders in a Brazilian city covered by the program, and to document the burden of migraine and tension-type headache (TTH) in this population.