Food Safety Report: Freddy's Frozen Custard & Steakburgers, Coulter Street South, Amarillo, TX, USA 2 years ago • details 3 Comments Comment Suspected food poisoning. Symptoms: Diarrhea, Nausea, Cramps, Headache Suspected source: Kolaches, burger Onset: Not sure Duration: Less than 4 hours Sick: 2 people