try going gluten free it might actually help with this
try it for a week and see if the stuffting goes down
Gluten only affects you if you have Celiac disease.
What may actually help OP is avoiding corn-based products.
Prednisolone may help
Screw prednisolone, go for something that is less likely to screw you up first. (And you have to have monthly blood work for prednisolone, iirc)