Food Safety Report: Ristorante TOSCA, F Street Northwest, Washington, DC, USA 3 years ago • details 151 Comments Comment Suspected food poisoning. Symptoms: Diarrhea, Nausea, Stomach Pain, Cramps, Chills Suspected source: Pasta with black truffles Onset: 4 to 12 hours Duration: 4 to 12 hours Sick: Not sure