Food Safety Report: McDonald's, Mateny Road, Germantown, MD, USA 1 year ago • details 2 Suspected food poisoning. Symptoms: Diarrhea, Nausea, Vomiting, Fever, Stomach Pain, Cramps Suspected source: Big Mac Onset: Less than 4 hours Duration: 12 to 24 hours Sick: Me Additional information: Was very sick