I would just like to say that recently I was offered steroids in order to "tone down my immune system." I think Prednisone falls into that chategory? At any rate I looked up Prednisone and it depresses the immune system. Doesn't it make more sense to avoid what you are allergic to, then to mess up your immune system? Well, I thought so. I didn't take it and seem better inspite of it.
I don't know what all I am allergic to yet.
You might try coconut milk to add nutrition. Use olive oil, coconut oil, or butter if tolerated. I use 1 Tbsp per meal and my weight is stable. I will leave to others some more safer foods.
Unfortunately, coconut falls into the category of allergic reactions . Can't have it at the moment either.