Food Safety Report: Denny's, West 13th Street, Merced, CA, USA 1 year ago • details Comments Comment Suspected food poisoning. Symptoms: Diarrhea, Vomiting, Stomach Pain, Cramps, Headache Suspected source: Dennys Onset: 4 to 12 hours Duration: Several days Sick: Me Additional information: After eating bacon sausage eggs… See more