Food Safety Report: KOI Ramen Bar (Herne Hill), 41 Norwood Rd, London SE24 9AJ, UK 2 years ago • details 15 Comments Comment Suspected food poisoning. Symptoms: Diarrhea, Stomach Pain, Cramps, Headache Suspected source: Ramen (pork, egg noodles, miso broth) Onset: 4 to 12 hours Duration: Several days Sick: Me