Food Safety Report: Culver’s, South Randall Road, St. Charles, IL, USA 1 year ago • details 15 Comments Comment Suspected food poisoning. Symptoms: Diarrhea, Nausea, Vomiting, Stomach Pain, Headache Suspected source: Culver’s chicken tenders Onset: Less than 4 hours Duration: 4 to 12 hours Sick: 2 people