Food Safety Report: McDonald's Praed Street, Praed Street, London, UK 3 years ago • details 119 Comments Comment Suspected food poisoning. Symptoms: Diarrhea, Nausea, Vomiting, Stomach Pain, Cramps, Chills Suspected source: Quarter pounder, chicken nuggets Onset: 4 to 12 hours Duration: 4 to 12 hours Sick: Me