Had the flu. saturday, started experiencing severe urgency to poop. it's happening every time i eat anything. stomach warm to touch. what's wrong?

Viral: gastroenteritis. I suggest a clear fluid diet as follows: NO SOLID FOODS FOR 48 HOURS Force fluids: 8-10 glasses/day: Electrolyte rich fluids- Gatorade, Powerade, Vitamin Water Protein rich fluids: broth bullion, consume. AVOID ALL CITRUS JUICES: orange, grapefruit, pineapple, cranberry etc. Avoid all aspirin, Advil, Aleve ( NSAIDS ). If not improving go to private physician or ER. OK to use Imodi