Food Safety Report: McDonald's, High Point Rd, Greensboro, NC, USA 1 year ago • details 26 Comments Comment Suspected food poisoning. Symptoms: Diarrhea, Nausea, Vomiting, Stomach Pain, Headache Suspected source: Eating two chicken sandwiches from McDonald’s with mayonnaise Onset: 4 to 12 hours Duration: other: 2 days Sick: 2 people