I feel so bad for you right now. Sorry for all the things you are going through. But you sound like you have a serious stomach problme that require a Dr. Care. I know you said you have no insurance but dont you feel that your health is more important?
I can tell you are a tough situation now and I wish I could give you better advice, I hope that someone else will answer your post with more info...
Good luck hun, take care, I hope you get some answers and feel better, you are in my thoughts, and please please keep me posted on how you are.