Food Safety Report: Dunkin', John Fries Highway, Quakertown, PA, USA 1 year ago • details 2 Comments Comment Suspected food poisoning. Symptoms: Diarrhea, Nausea, Vomiting, Stomach Pain, Chills Suspected source: dunkin, either hashbrowns or ham and cheese croissant Onset: 1 to 2 days Duration: 12 to 24 hours… See more