<unk>  is a calcitonin gene-related peptide receptor antagonist that is FDA approved for the prevention of episodic migraines.   Common adverse reactions include constipation, fatigue, and nausea.
Atogepant
Icatibant
Suvorexant
Fosaprepitant
Fazadinium bromide
Vernakalant
Ifenprodil
Glafenine