Food Safety Report: McDonald's, Storey Avenue, Newburyport, Massachusetts, USA 11 months ago • details 25 Suspected food poisoning. Symptoms: Diarrhea Suspected source: Breakfast from McDonald's in NEWBURYPORT MA Onset: 1 to 2 days Duration: Several days Sick: Me Additional information: I had the Sausage Biscuit with Egg, hash browns, & OJ