I was lucky enough years ago, to find a neurosurgeon who was doing research on migraines. He told me about his work with what they called " cerebral allergies". He helped me figure out what were my 'triggers'. I have issues with nitrites (think sausage, bacon, lunchmeat, etc.), chlorine, and wine. I have to avoid all of them, forever, but I haven't had one in 20+ years. I hope the pain is gone for you by now, but what he did, was ask me to keep a 'mouth diary' to record everything I put in my mouth.(Even water, and where it came from) I did this for months before we found the patterns. Big thank you to Dr. Chang! Maybe it could help you? (One sip of wine will have me crawling on the floor begging for death.) Blessed Be!