Food Safety Report: Little Caesars Pizza, 6623 W Cheyenne Ave, Las Vegas, NV 89108, USA 2 years ago • details 26 Comments Comment Suspected food poisoning. Symptoms: Diarrhea Suspected source: Pizza and or marinara sauce Onset: 12 to 24 hours Duration: Several days Additional information: Their food tasted ok I didn't throw up but bloody diarrhea though