I Have Mid Back Gnawing Sensation That Feels Like It

I have mid back gnawing sensation that feels like it might be digestive. When I massage it it feels as though I could almost trigger s novel movement. I also experience constant hunger even after I eat a meal. I get bloated from eating but still feel hungry. Also I have to poop more than once a day but have a hard time getting it out so I guess I am constipated? I don't know but this is all uncomfortable.