Food Safety Report: Tesco Extra, Brockworth, Gloucester, UK 3 years ago • details 1 Comments Comment Suspected food poisoning. Symptoms: Diarrhea, Nausea, Fever, Stomach Pain, Cramps, Chills Suspected source: Sushi Onset: 3-4 hours Duration: 12 hours Additional information: Bought the Salmon and veggie sushi box. Extreme diarrhoea all night.