Food Safety Report: Five Guys, U.S. 290, Cypress, TX 77433, USA 1 year ago • details 9 Comments Comment Suspected food poisoning. Symptoms: Diarrhea, Nausea, Vomiting Suspected source: Ground beef Grilled mushrooms Onset: Less than 4 hours Duration: 4 to 12 hours Additional information: I ate a burger bowl with grilled mushrooms.