Food Safety Report: Fiesta Mexicana, Mormon Coulee Road, La Crosse, WI, USA 6 months ago • details 3 Suspected food poisoning. Symptoms: Diarrhea, Nausea, Vomiting, Cramps Suspected source: Food from Mexican restaurant Onset: 4 to 12 hours Duration: 12 to 24 hours Sick: 3 people