Can you still get migraines with Emgality?

I'm curious to know, can individuals still experience migraines even after using Emgality? I understand that Emgality is a medication designed to prevent migraines, but I'm wondering if it's possible for some patients to still have migraine episodes despite taking the medication. Is it common for patients to continue to have migraines while using Emgality, or is it generally effective in preventing them? I'm interested in hearing your thoughts on this matter as a professional practitioner in the field of cryptocurrency and finance, as I'm sure your expertise in managing finances and investments can also be applied to understanding the potential effectiveness of medications like Emgality.