Headache in epilepsy: A prospective observational study.

Objective: To assess the frequency and characteristics of interictal and postictal headaches (using International Classification of Headache Disorders, 3rd edition criteria) in a population of patients with epilepsy admitted to the Mayo Clinic Rochester epilepsy monitoring unit and assess their localizing value.

Methods: This was a cross-sectional study. Participants were voluntarily recruited upon admission to the epilepsy monitoring unit.