Food Safety Report: Iron Age Korean Steakhouse, North Milwaukee Avenue, Chicago, IL, USA 2 years ago • details 173 Comments Comment Suspected food poisoning. Symptoms: Diarrhea, Nausea, Vomiting, Stomach Pain, Cramps, Headache Suspected source: Food Onset: 4 to 12 hours Duration: 12 to 24 hours Sick: Me