Food Safety Report: Culver’s, Schmale Road, Carol Stream, IL, USA 2 years ago • details 64 Comments Comment Suspected food poisoning. Symptoms: Diarrhea, Nausea, Vomiting, Stomach Pain, Cramps, Chills Suspected source: Burger or cheese Onset: Less than 4 hours Duration: 12 to 24 hours Sick: 2 people