Don't Jump to a CGRP Antagonist for Migraine Prophylaxis
They'll join Aimovig (erenumab)...the first calcitonin gene-related peptide blocker, or "CGRP antagonist." Blocking CGRP limits vasodilation.
All are once-monthly, self-administered subcutaneous injections...or Ajovy can be given as 3 injections once every 3 months. Aimovig is an auto-injector...Ajovy is a prefilled syringe...Emgality is a pen.