Food Safety Report: O Buraquinho da Ribeira, Rua de Cima do Muro, Porto, Portugal 1 week ago • details Suspected food poisoning. Symptoms: Diarrhea, Nausea, Vomiting, Fever, Stomach Pain, Chills Suspected source: Food poisoning Onset: 4 to 12 hours Duration: 4 to 12 hours Additional information: No