Food Safety Report: Portillo's Madison, Wisconsin - East Towne, East Towne Boulevard, Madison, WI, USA 3 years ago • details 39 Comments Comment Suspected food poisoning. Symptoms: Diarrhea, Nausea, Vomiting, Stomach Pain, Cramps, Headache Suspected source: a salad Onset: 6 hours Duration: 24 hours Sick: 1 Additional information: I go sick on Saturday,… See more