Food Safety Report: Wendy's, Ralston Avenue, Belmont, CA, USA 1 year ago • details 14 Comments Comment Suspected food poisoning. Symptoms: Diarrhea, Nausea, Vomiting, Fever, Stomach Pain, Cramps, Chills, Headache Suspected source: Chili from Wendy's Onset: Less than 4 hours Duration: 12 to 24 hours Additional information:… See more