Food Safety Report: Proper Food, 1st Street, San Francisco, CA, USA 1 year ago • details 483 Comments Comment Suspected food poisoning. Symptoms: Diarrhea, Nausea, Vomiting, Stomach Pain, Cramps Suspected source: Not sure Onset: Less than 4 hours Duration: 4 to 12 hours Sick: Not sure Additional information: N/a