Allykat,
You sound like youv'e been to hell and back like me and others. You clearly have no luck with pharmacuticals so I am going to share what my ND has me on.
Blood type diet,
vitamist vitamins - A lifesaver!!!
Before each meal 1/2 tsp of psyillum husk & slippery elm powder in water.
A lot of lemon water.
Klebsiella bacteria in my stool culture( mycorpryl 680, RF Plus, collidial silver, grapefruit seed extract, gentian, polyflora A, & Baeillus 7-) she makes this probiotic with liquid...
prednisone, lomotil & canassa (still mixing eastern & western medicine)