Food Safety Report: Whataburger, Mary Esther Cut Off Northwest, Fort Walton Beach, FL, USA 1 week ago • details 35 Suspected food poisoning. Symptoms: Diarrhea, Nausea, Stomach Pain, Cramps, Chills Suspected source: whataburger Onset: Less than 4 hours Duration: Several days Sick: Me Additional information: i had a burger with mayo, ketchup and cheese