Food Safety Report: Potbelly, South Randall Road, Algonquin, IL, USA 2 years ago • details 41 Comments Comment Suspected food poisoning. Symptoms: Diarrhea, Nausea, Vomiting, Stomach Pain, Cramps, Chills, Headache Suspected source: Their sandwich Onset: 1 to 2 days Duration: 12 to 24 hours Sick: 3 people Additional… See more