Food Safety Report: Olive Garden Italian Restaurant, North Oracle Road, Oro Valley, AZ, USA 1 year ago • details 12 Comments Comment Suspected food poisoning. Symptoms: Diarrhea, Nausea, Vomiting, Stomach Pain, Chills Suspected source: olive garden food Onset: 4 to 12 hours Duration: 12 to 24 hours Sick: A loved one