Food Safety Report: McDonald's, South State Street, Salt Lake City, UT, USA 1 year ago • details Comments Comment Suspected food poisoning. Symptoms: Diarrhea, Nausea, Vomiting, Stomach Pain Suspected source: McDonald’s Onset: 4 to 12 hours Duration: 12 to 24 hours Additional information: Ate cheeseburger and Big Mac on December 20th