Food Safety Report: Potbelly Sandwich Shop, Beardslee Boulevard, Bothell, Washington, USA 11 months ago • details 14 Comments Comment Suspected food poisoning. Symptoms: Diarrhea, Nausea, Vomiting, Stomach Pain, Chills, Headache Suspected source: A sandwich Onset: 12 to 24 hours Duration: 12 to 24 hours