stomach pain that gets worse when empty is indicative of gastritis/ulcers, especially if when you do eat something little, you feel better. I have erosive gastritis/esophagitis and that's one of my symptoms. Erosive gastritis is one step below an ulcer(s). I find that when I feel like that, eating something low carb and high in protein helps a great deal (a small slice of cheese, for example). Later on, when my stomach has calmed down a bit I might eat a bit more.
El