Food Safety Report: Olive Garden Italian Restaurant, 25th Avenue, Coralville, IA, USA 2 years ago • details 28 Comments Comment Suspected food poisoning. Symptoms: Diarrhea, Nausea, Vomiting, Stomach Pain, Cramps, Chills Suspected source: Salad here Onset: 4 to 12 hours Duration: Less than 4 hours Sick: Me