Food Safety Report: GIANT, North 23rd Street, Philadelphia, PA, USA 2 years ago • details 575 Comments Comment Suspected food poisoning. Symptoms: Diarrhea, Nausea, Vomiting, Stomach Pain, Cramps, Chills, Headache Suspected source: spinach or avocado in my salad last night Onset: Less than 4 hours Duration: 4 to 12 hours Sick: Me