Grilled Onion Burger Illness - In-N-Out, Thornton Colorado

111 East 136th Avenue, Thornton, 80023 Colorado, United States

I ate an onion grilled burger on Sunday 7/20 around 8pm and several hours later woke up with vomiting and diarrhea stomach cramps body aches chills. Have been sick for 2 days and getting an iv at urgent care. | Symptoms: Nausea, Diarrhea, Vomiting, Stomach Pain, Fever, Cramps, Chills, Headache, Body Ache