Which medication classes may be used to prevent migraines?

• A. Anti-seizure drugs
• B. Anti-depressant drugs
• C. Beta-blockers
• D. All of these

Answer: (D)

Migraine prevention can be achieved with multiple drug classes, each helping reduce how often attacks occur and how disabling they are. Beta-blockers, such as propranolol or metoprolol, are commonly used for prophylaxis and can lower attack frequency by dampening abnormal vascular and neural activity linked to migraines. Anti-seizure drugs, especially topiramate, help by decreasing neuronal excitability through enhanced GABAergic inhibition and reduced glutamatergic transmission, which translates to fewer migraine episodes. Antidepressants, including tricyclics like amitriptyline and certain SNRIs, can prevent migraines and are also helpful for coexisting mood symptoms or sleep disturbances, likely by modulating monoamine pathways and pain regulation. Because each class has demonstrated preventive benefit in appropriate patients, all of these are valid options for migraine prophylaxis, chosen based on the patient’s other conditions, tolerance, and preferences. Monitor response over several weeks and adjust as needed.