Food Safety Report: Olive Garden Italian Restaurant, Jefferson Road, Rochester, NY, USA 2 years ago • details 46 Comments Comment Suspected food poisoning. Symptoms: Diarrhea, Nausea, Stomach Pain, Cramps, Headache Suspected source: Food Onset: 4 to 12 hours Duration: Several days Additional information: Horrible place. Got a salmonella after visiting that restaraunt