Food Safety Report: McDonald's, Scenic Plaza Drive, West Union, SC, USA 2 years ago • details 6 Comments Comment Suspected food poisoning. Symptoms: Diarrhea, Nausea, Vomiting, Stomach Pain, Cramps, Chills Suspected source: Mcdonalds Onset: 4 to 12 hours Duration: 4 to 12 hours Sick: 2 people