Food Safety Report: Dairy Queen (Treat), West Jackson Street, Macomb, IL, USA 8 months ago • details 15 Suspected food poisoning. Symptoms: Diarrhea, Nausea, Vomiting Suspected source: Dairy Queen Onset: 4 to 12 hours Duration: 12 to 24 hours Sick: 2 Additional information: I am not certain it… See more