Food Safety Report: Denny's, 1601 East Interstate Highway 2, San Juan, TX, USA 1 month ago • details 2 Suspected food poisoning. Symptoms: Nausea, Vomiting, Fever, Stomach Pain, Cramps, Chills Suspected source: Breakfast at Dennys between Alamo and San Juan Onset: 12 to 24 hours Duration: Several days Additional… See more