Calandre EP et al. – Pregabalin treatment was associated to significant decreases in headache frequency and severity, rescue medication intake, and HIT–6 scores. Patients with daily headache performed worse than those with nondaily headache, showing no change in headache frequency and less relevant reduction of HIT–6 scores. The most frequent adverse reactions were dizziness (40%), somnolence (29%), abnormal thinking (16.7%), constipation and fatigue (13.3%). Despite the limita ... Click Here to Read More Click Here to Read More