Food Safety Report: Panera Bread, 75 Topsham Fair Mall Road, Topsham, ME, USA 1 year ago • details 12 Comments Comment Suspected food poisoning. Symptoms: Diarrhea, Nausea, Vomiting, Stomach Pain, Cramps, Chills Suspected source: Panera Bread Onset: 4 to 12 hours Duration: Less than 4 hours