Food Safety Report: In-N-Out Burger, Newbury Road, Newbury Park, CA, USA 1 year ago • details 39 Comments Comment Suspected food poisoning. Symptoms: Diarrhea, Nausea, Vomiting, Stomach Pain, Cramps Suspected source: In and out Onset: 12 to 24 hours Duration: 12 to 24 hours Sick: Not sure