Food Safety Report: Burger King, Devils Glen Road, Bettendorf, IA, USA 1 year ago • details Comments Comment Suspected food poisoning. Symptoms: Diarrhea, Nausea, Stomach Pain, Cramps, Chills, Headache Suspected source: Burger King Onset: Less than 4 hours Duration: 4 to 12 hours Sick: 2 people