Food Safety Report: In-N-Out Burger, Avenida Encinas, Carlsbad, CA, USA 2 years ago • details 38 Comments Comment Suspected food poisoning. Symptoms: Diarrhea, Nausea, Vomiting, Stomach Pain, Chills, Headache Suspected source: food here Onset: 4 to 12 hours Duration: Several days Additional information: I work construction, didnt eat… See more