Food Safety Report: la Madeleine, West 15th Street, Plano, TX, USA 1 year ago • details 106 Comments Comment Suspected food poisoning. Symptoms: Diarrhea, Nausea, Vomiting, Stomach Pain Suspected source: La madeleine cake Onset: 12 to 24 hours Duration: 4 to 12 hours Sick: A loved one