I m a diabetic on Janumet and another pill I take before each meal. Glymiperide or something like that. Anyway, lately I ve developed gas pressure in my intestinal tract. I have some irregularity but not so much to call me constipated. I m concerned if my medications I m on are causing the problem. I m on metoprolol, flecanide, symvastatin, savaysa and a host of vitamins. What s puzzling is that my gas build up as it were, happens while I m in bed. Thoughts?