Food Safety Report: McDonald's, River Ranch Road, Merritt, BC, Canada 1 year ago • details 5 Suspected food poisoning. Symptoms: Diarrhea, Vomiting, Fever, Stomach Pain, Cramps, Chills, Headache Suspected source: McDonald's Habanero McChicken Onset: 4 to 12 hours Duration: Several days Sick: Me