Food Safety Report: LongHorn Steakhouse, South College Avenue, Fort Collins, CO, USA 2 years ago • details 56 Comments Comment Suspected food poisoning. Symptoms: Diarrhea, Nausea, Stomach Pain, Cramps, Headache Suspected source: Steak, wings, and fries Onset: 4 to 12 hours Duration: 12 to 24 hours Sick: 2 people Additional… See more