Food Safety Report: McDonald's, Isle Of Sheppey, Bridge Road, Sheerness, UK 2 years ago • details 4 Comments Comment Suspected food poisoning. Symptoms: Diarrhea, Nausea, Vomiting, Stomach Pain, Cramps Suspected source: bacon and egg McMuffin Onset: 12 to 24 hours Duration: 12 to 24 hours Sick: Me