Please know that you are not alone...many of us, like you, are in similar situations. Me...haven't been able to work for 2+ years. One day I feel "okay" and the next day I have a hard time making it from the bed to the couch. Oh and it can change from hour to hour too...You feel great in the morning, make plans, but by lunch, you're praying to the porcelain God for mercy. It makes it hard to plan time with friends and even family.
I have the crohn's ulcerations in my stomach,I mouth, and to a lesser extent, my esophagus...I don't have H. pylori. The constant nausea is tiring in and of itself. I have been on PPI's for the last 6 years or so...but I also need the phenergan, and the Remicaide and Cimzia (been on both, now on Cimzia) have been wondrous for helping with the stomach issues.
Keeper and Nanners had good ideas. Also, have them check your SED rate and CRP in addition to the standard CBC and chem panel blood work. Both tests can show inflammation that may be going on throughout your body, even there may not be "gross" (easily identifiable) manifestations...These blood tests give a better picture of what is going on...but also know that they are not difinative if they show up negative. (Mine tend to be very high...I also have many of the external manifestations)
Here's seeing you around on the forums...take care...