Food Safety Report: McDonald's, Zur Rheinbrücke, Breisach am Rhein, Germany 2 years ago • details Comments Comment Suspected food poisoning. Symptoms: diarrhea, stomach pain, cramps, chills Suspected source: An onion cake from Biostand or BigMac from McDonald's. There were 2 different places... Onset: Less than 4 hours Duration: A few days Sick: I