I really haven't had a bowl movement like I should, I belch a lot pass gas a lot both my lower and upper abdominal feels tight every now and then mostly after I eat. I'm always hungry I can eat a really big dinner and still be hungry. I'm on depo been on since Oct of 2013 my last shot was on August 1st so I know I'm not pregnant cause I get my shot on time I don't have any symptoms other than what I stated and frequent urination. Oh yes my upper right back hurts some time or the top of back hurt. Can someone please help me I'm really worried and need answers