The first thing you need to do is check your blood count (CBC), including infection, anemia and other abnormality. You also need to check your glucose levels and your electrolyte panels, along with replacement of your kidneys and liver function and your veins to prevent dehydration.
Doctor, I've been suffering from severe abdominal and digestive problems for a while, and I've done some tests, and I've been diagnosed with chronic pancreatitis.