Food Safety Report: Wendy's, 8507 Interstate 40, Amarillo, TX, USA 1 year ago • details 1 Comments Comment Suspected food poisoning. Symptoms: Diarrhea, Nausea, Vomiting Suspected source: Wendy’s Chicken Asiago Sandwich Onset: 4 to 12 hours Duration: 4 to 12 hours Sick: A loved one