Food Safety Report: Olive Garden Italian Restaurant, Orchard Hill Park Drive, Leominster, MA, USA 1 year ago • details 2 Comments Comment Suspected food poisoning. Symptoms: Diarrhea, Stomach Pain, Cramps Suspected source: olive garden salad Onset: 1 to 2 days Duration: 4 to 12 hours Sick: 2 people Additional information: I don't feel good