Food Safety Report: Wendy's, Arapahoe Rd, Boulder, CO, USA 4 months ago • details 8 Suspected food poisoning. Symptoms: Diarrhea, Nausea, Vomiting, Stomach Pain, Cramps, Chills, Headache, other: bloating/gas Suspected source: Wendy's Cobb Salad Onset: 12 to 24 hours Duration: other: 2-3 days Additional information: Cobb salad, included blue cheese, bacon, tomatoes, chicken