I have a GERD acid reflux disease. I have been taking Nexium 40 mg twice a day Also, I have IBS, I am taking hyoscyamine tablets 0.125 g 3 time a day if feel good one day, and bad other day.. conditions keep shifting-fluctuate. I also take nortriptyline. I feel lower bally pain- I was told by my doctor that you do not have a Celiac disease. i feel acid/fluid rise to my mouth right after I eat. and when I am sleeping. some cough. how about pain right after I eat, I feel down, sleepy for 15 minute. do have intestinal infection so call Clostridium? what is that, what cause it Thanks Alex