Food Safety Report: Starbucks, 1528 Walnut St, Philadelphia, PA 19102, USA 10 months ago • details 1.2K Suspected food poisoning. Symptoms: Diarrhea, Nausea, Vomiting, Stomach Pain, Headache Suspected source: Starbucks Onset: Less than 4 hours Duration: 12 to 24 hours Additional information: Was awful. Starbucks was musty