Emgality is available as a once-monthly, self-administered, subcutaneous injection, like Aimovig. Teva offers the option of a quarterly injection with Ajovy, as well as a monthly dosing schedule.

There is more competition in play for Emgality from Lundbeck’s new intravenous ... in a clinic rather than by subcutaneous self-injection. Amgen reported $306 million from US sales of Aimovig ...