Food Safety Report: Oreo, Walmart Supercenter, East Calumet Street, Appleton, WI, USA 11 months ago • details 29 Suspected food poisoning. Symptoms: Diarrhea, Nausea, Vomiting, Stomach Pain, Cramps, Chills Suspected source: Oreo Onset: Less than 4 hours Duration: 12 to 24 hours Sick: Me