Food Safety Report: Sonic Drive-In, Highway 25b, Heber Springs, AR, USA 3 years ago • details 3 Comments Comment Suspected food poisoning. Symptoms: Diarrhea,Nausea,Vomiting,Stomach Pain,Cramps,Chills Suspected source: Butterfinger blast Onset: 2-3 hours Duration: 6 hours Additional information: No