Food Safety Report: McDonald’s, 2600 Rue Ontario E, Montréal, QC H2K 4K4, Canada 6 months ago • details 12 Suspected food poisoning. Symptoms: Diarrhea, Nausea, Vomiting, Fever, Stomach Pain, Cramps, Chills Suspected source: not sure Onset: 4 to 12 hours Duration: Several days Sick: Me