I have been having problems with my stomach for the past 16 months. I get severe abdominal cramps that render me almost unable to get out of bed. I alternate between severe constipation for a few days, and then either diarrhea or bowel movements that seem to go way past what I have consumed. My cramps will go away and then return without warning. There are very few foods that I can eat that do not worsen my symptoms, and when I am cramping, it feels like my tailbone is trying to break through my skin. I have been subjected to practically every test available in my area with no diagnosis made. I am at the end of my rope, because lying in bed In pain is a horrible existence.