Food Safety Report: AMC Victoria Gardens 12, North Mainstreet, Rancho Cucamonga, CA, USA 7 months ago • details 49 Comments Comment Suspected food poisoning. Symptoms: Diarrhea, Nausea Suspected source: popcorn at amc theater Onset: 4 to 12 hours Duration: 12 to 24 hours Sick: Me Additional information: mild diarrhea and nausea about 5 hours after I ate popcorn