Unexplained diarrhea,malabsorption,dizziness,feeling faint, confusion

Hello,
I’m new here. My symptoms have gotten worst in the last year. I’m sick to my stomach or vomiting or have dry heaves everyday. I have developed food and medicine intolerance. Can only eat maybe small portions of rice and vegetables and plain bread throughout the day. And even then some days I am in the bathroom with diarrhea after eating. My gallbladder was removed some years back. When some of the same symptoms appeared back then. But there is no gallbladder to remove now. I’m losing more and more weight. I have periods of confusion and that’s really scary. The testing MRI’s , CT scans and blood work are coming back negative. My gi doc is repeating the testing with a CT scan of the Brian this time. I doubt she will find it. I’m getting sicker everyday. Really losing hope. I’m glad this website is here. It’s soothing to know I’m not alone. Any suggestions would be appreciated.