How does Emgality make you feel?

Emgality is a solution that you give by subcutaneous injection (an injection under your skin). Some people may experience mild or temporary redness, swelling, itching, or pain at the injection site.

How long does it take for a migraine shot to work?

Injections (migraine or cluster headache)

You’ll usually inject it into your thigh. The medicine generally works in 10 to 15 minutes. If your headache improves but then comes back, you can inject another dose after 1 hour.