Food Safety Report: Zad by Pita Inn, Dempster Street, Skokie, IL, USA 3 months ago • details 42 Suspected food poisoning. Symptoms: Diarrhea, Nausea, Stomach Pain, Cramps, Chills Suspected source: salad or lentil soup or hummus Onset: Less than 4 hours Duration: 12 to 24 hours