Maybe you should go to your doctor and ask for an examination at a hospital. This could be something else than lactose intolerance too.
Diagnosed CD June 2007. Have been on a minor prednisone medication. Did make a difference while max dosed. Got my problems back when tapering.
Using Low Dose Naltrexone from sept. 2007. See yahoo.com. A member in the group "lowdosenaltrexone" at yahoo.
Use home made scd yoghurt containing a lot of probiotics - a benefit for the intestines. Don't use white sugar. No yeast in homemade breads.