Welcome back! It sounds like you’ve been navigating a lot, but it’s encouraging to hear that your last IVIg cycle brought some improvement in vision and ataxia—fingers crossed that continued treatment helps even more over time. The phlebitis must be frustrating, though; hopefully, your care team can find a solution (maybe a different IV site, slower infusion rate, or even a port if needed). On the gluten front, I hear your discouragement about eating out. Even tiny exposures can keep antibody levels elevated, especially with celiac or severe gluten sensitivity. It might be worth trying a strict "home-only" phase for a few months to see if your AGA IgA drops further—then you’ll know for...