Food Safety Report: McDonald's, West Montrose Avenue, Harwood Heights, IL, USA 1 year ago • details 20 Comments Comment Suspected food poisoning. Symptoms: Diarrhea, Vomiting, Stomach Pain, Cramps, Chills Suspected source: Big Mac - Meat, Bun, Lettuce, Special Sauce Onset: Less than 4 hours Duration: Several days Sick: Me… See more