Pizza Triggers Severe Illness - Walmart, Iowa City Iowa

919 Highway 1 West, Iowa City, 52246 Iowa, United States

Suspected food poisoning. Symptoms: Diarrhea, Nausea, Vomiting, Stomach Pain, Cramps, Headache
Suspected source: The pizza I bought at here(Iowa city, IA)
Onset: I ate it at around 7 PM yesterday, and felt bad at around 10pm.
Duration: For 19 hours
Additional information: I felt severe abdominal pain and cramps, vomiting and diarrhea. I could not sleep at all since I could not lie down in any positions due to the pain. I visited doctor at the earliest morning to get treated. After taking 2 pills during following 10 hours, now the pain is lowered, but still with me. | Symptoms: Diarrhea, Nausea, Vomiting, Stomach Pain, Cramps, Headache