Thank you for your question and being part of our discussion forum - welcome!
I'm sorry to hear about your new diagnosis. I've found with each new diagnosis the more I learn them the better off I am. Yes, Sjogren’s syndrome and migraine can be co-morbid conditions, meaning they can occur at the same time but are not caused by one another. I have information I can share with you in this article about co-morbid conditions and migraine; https://migraine.com/blog/what-is-a-comorbid-condition-a-bulleted-list-for-patients/.