Rapport de sécurité alimentaire: Costco il y a 10 ans • détails Commentaires Commentaire Ate lunch at Costco about 12pm 12-26-15 and started feeling nauseous around 630pm-7pm that day. Went to bed early and about 230am is when the diarrhea, nausea, and vomiting started.. 12-27-15 @ 130pm still nauseous, still vomiting, and diarrhea.