Food Safety Report: Cancún, Quintana Roo, Mexico 1 year ago • details 25 Comments Comment Suspected food poisoning. Symptoms: Diarrhea, Nausea, Stomach Pain, Cramps, Chills, Headache Suspected source: Not sure. Went to 2 off site excursions and only at riu buffet Onset: 4 to 12 hours Duration: 12 to 24 hours Sick: Me