Jan 29, 2019 OnabotulinumtoxinA Effective in Reducing Depression and Anxiety Symptoms in Chronic Migraines OnabotulinumtoxinA Effective in Reducing Depression and Anxiety Symptoms in Chronic Migraines... improving sleep quality and reducing fatigue symptoms, according to a study published in the Journal of Neurology, Neurosurgery, and Psychiatry. ... read morePublished on 2019-01-29