Food Safety Report: Denny's, Arizona 260, Camp Verde, AZ, USA 2 months ago • details 10 Suspected food poisoning. Symptoms: Nausea, Vomiting, Fever, Stomach Pain, Cramps, Chills Suspected source: Denny’ s or not sure Onset: 4 to 12 hours Duration: 12 to 24 hours Sick: Not sure