Food Safety Report: Dunkin', South Gammon Road, Madison, WI, USA 2 months ago • details 34 Suspected food poisoning. Symptoms: Diarrhea, Cramps Suspected source: Egg and cheese and bacon bagel Onset: 4 to 12 hours Duration: Less than 4 hours Sick: Me Additional information: Diarrhea X 6 in 4 hours. Lost 5 pounds