Sudden nausea
Vomiting
Diarrhea
Stomach cramps or abdominal pain
Low-grade fever
Loss of appetite
Bloating
Chills
Body aches
Headache
Feeling weak or tired
Symptoms starting within 1 to 3 days after exposure
Recent contact with someone who is sick
Recent exposure to contaminated food or water
Signs of dehydration such as dry mouth, dark urine, dizziness, or very little urination