RecruitingPhase 4Drug trialComparative Effectiveness of Migraine Preventive Medications: The APT Comparison StudyThis goal of this study is to compare three medications used for migraine preventive treatment. This study will compare atogepant, a newer migraine preventive medication, with two older preventive medications, topiramate and propranolol. It will be determined if one works better and is more tolerable than the others. Research participants will: * Be randomly assigned to one of the three medications. * Provide information about their migraine pattern using a daily headache diary and during research visits.