Food Safety Report: Panda Express, Baltimore National Pike, Catonsville, MD, USA 2 years ago • details 27 Comments Comment Suspected food poisoning. Symptoms: Diarrhea, Nausea, Vomiting, Stomach Pain, Cramps Suspected source: food Onset: 4 to 12 hours Duration: 12 to 24 hours Additional information: vomiting and bowel movement