Food Safety Report: Chipotle Mexican Grill, Forest Avenue, Richmond, VA, USA 2 years ago • details 18 Comments Comment Suspected food poisoning. Symptoms: Diarrhea, Stomach Pain, Headache Suspected source: Lettuce at chipotle Onset: 12 to 24 hours Duration: One Week Sick: 2 people Additional information: Dad is 86, so more worried about him