Old thread, but came up first in google search, so I'll contribute.
My celiac symptoms appeared following a bacterial infection (MRSA) at age 50. Digestive pain, bloating, gas, intestinal blockage/restrictions, "the runs", dark stools, bleeding, inflammation, headaches, vertigo, dizziness, depression, anxiety, restlessness, anger, and more. Accidental ingestion often took me 3 days to break (antacids, alkaseltzer, baking soda, apple, pepcid/tagamet, vinegar, magnesia, etc...). Pills and tablets containing "cellulose" (wheat product) is one that I had to learn the hard way.
I'm now eating mainly a veggie diet with clean meats (no manufactured or prepared dishes). I also take softgel vitamins (Schiff) along with fish oil. No coffee creamers or sodas either [corn syrup = grain/grass seed family like wheat]. Gradually began reducing inflammation and symptoms. Also improved kidney function (detox); where the water weight is gradually coming off.