Food Safety Report: LongHorn Steakhouse, Towne Drive, Beavercreek, OH, USA 4 months ago • details 19 Suspected food poisoning. Symptoms: Diarrhea, Nausea, Vomiting, Stomach Pain, Cramps Suspected source: Salad Onset: 4 to 12 hours Duration: 4 to 12 hours Sick: Me Additional information: Longhorn