Food Safety Report: Dampa Seafood Grill, Scout Limbaga Ext, Diliman, Quezon City, Metro Manila, Philippines 2 years ago • details 4 Comments Comment Suspected food poisoning. Symptoms: Diarrhea, Nausea, Stomach Pain, Cramps Suspected source: raw oysters Onset: 4 to 12 hours Duration: Several days Additional information: none