Food Safety Report: Xiang's Kitchen, Constitution Avenue, Colorado Springs, CO, USA 2 years ago • details 45 Comments Comment Suspected food poisoning. Symptoms: Diarrhea, Nausea, Vomiting, Fever, Stomach Pain, Cramps, Chills, Headache Suspected source: Mongolian beef/fried rice Onset: 4 to 12 hours Duration: Less than 4 hours