Food Safety Report: Sonic Drive-In, Oregon Pike, Ephrata, PA, USA 1 year ago • details 2 Comments Comment Suspected food poisoning. Symptoms: Diarrhea, Nausea, Vomiting, Stomach Pain, Cramps, Chills, Headache Suspected source: Sonic onions or the burger Onset: Less than 4 hours Duration: 12 to 24 hours Sick: Me