Feb 1, 2020 - OnabotulinumtoxinA reduces the number of migraine days per month by two days compared with placebo in adults with chronic migraines.
American Family Physician : Cochrane for Clinicians
Jun 15, 2019 - Erenumab is a safe option for migraine prophylaxis in adults. However, it is expensive and should be reserved for patients who have experienced intolerable adverse effects while taking oral migraine prophylaxis medication or who have poor adherence to daily preventive treatment.
American Family Physician : STEPS