Food Safety Report: McDonald's, Laporte Rd, New Buffalo, MI 49117, United States 6 months ago • details 13 Suspected food poisoning. Symptoms: Diarrhea, Vomiting, other: Weak Suspected source: Filet sandwich at McDonald’s Onset: Less than 4 hours Duration: Less than 4 hours Sick: A loved one Additional information: Very weak after two days