Food Safety Report: OLA Restobar Downey, Downey Avenue, Downey, CA, USA 1 year ago • details 95 Comments Comment Suspected food poisoning. Symptoms: Diarrhea, Nausea, Vomiting, Fever, Stomach Pain, Cramps, Chills, Headache Suspected source: Oysters Onset: 1 to 2 days Duration: 4 to 12 hours Sick: A loved one