Patient: I had a bout of what could have been a stomach virus, diarrhea, stomach ache, nausea, light headedness and fatigue. i got over those issues but the pain in my upper abdomen stayed. its been 5 or 6 days now and the same pain. hurts more when i lay down at night, and after eating. alka seltzer or pepto bismol dont work much at all. it feels like right below my sternum in the center. not right or left. just center. almost like a pressure pain. not a stinging pain.