For the last 3 days i've woken up with diarrhea. i haven't been eating anything different and my kids are both fine! could it be a bug starting?

Exam: You must be examined and follow 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 (naproxen) ( NSAIDS ). If not improving go to private physician or ER.