If you get it, remember to drink lots of fluids, like pedialyte and gatorade, and to eat starchy foods, with nothing greasy or spicy.
You can try the BRATTY diet:
Apples / Applesauce
Please see your doctor if you have severe abdominal pain, high fever, blood in your stool or frequent vomiting and you can't keep down anything.
Otherwise, it should pass in a few days. You can take tylenol for pain and peptobismol or imodium to help with the diarrhea.