Food Safety Report: Denny's, 1 Miracle Mile, Coral Gables, FL 33134, USA 3 years ago • details 46 Comments Comment Suspected food poisoning. Symptoms: Nausea,Headache Suspected source: Milkshake or pancakes with maple syrup Onset: Immediately after Duration: Three hours Sick: One Additional information: Ordered a vanilla milkshake, started drinking it… See more