Dosage forms:prefilled pen (120 mg/mL), prefilled syringe (100 mg/mL, 120 mg/mL) Drug class:CGRP inhibitors Medically reviewed byMelisa Puckey, BPharm. Last updated on Sep 5, 2024. What is Emgality? Emgality is a prescription medicine used toprevent migrainesand treat episodiccluster head...