Food Safety Report: Nacho Mama's Towson, West Pennsylvania Avenue, Towson, MD, USA 2 years ago • details 41 Suspected food poisoning. Symptoms: Diarrhea,Nausea,Vomiting,Stomach Pain,Chills Suspected source: Salsa Onset: 5 hours Duration: 13 hours Sick: 2 Additional information: Worst case of food poisoning I’ve ever had. I almost called an ambulance.