Food Safety Report: Cinnamon Toast Crunch, San Antonio, TX, USA 2 years ago • details 426 Comments Comment Suspected food poisoning. Symptoms: Diarrhea, Nausea, Vomiting, Stomach Pain, Cramps, Chills, Headache Suspected source: Cinnamon Toast Crunch Onset: 4 to 12 hours Duration: Several days Sick: Me Additional information: I… See more