Food Safety Report: Jersey Mike's Subs, Foothill Boulevard, La Cañada Flintridge, CA, USA 6 months ago • details 18 Suspected food poisoning. Symptoms: Diarrhea, Nausea, Stomach Pain, Cramps, Headache Suspected source: jersey mikes sandwhich Onset: Less than 4 hours Duration: 12 to 24 hours Sick: Me