Welcome to NeuroTalk. I hope you find some comfort here. I don't have any specifics I can help with. My TN is typical and under control now. I don't even remember clearly whether my MRIs used the contrast dye. I think the MRI to rule out tumors may not have had that, but later the MRA (I think that was the name) to find compressions may have had it. A doctor should be able to tell you! I admire your efforts to get an education with all the challenges you have that make it so hard. That is wonderful. I sure hope you find something that helps and that someone here has some experience to share that will be helpful! Hang in there and I sure hope things improve for you!