Diarrhea, often sudden and frequent
Stomach cramps or abdominal pain
Fever
Nausea
Vomiting
Headache
Chills
Blood in the stool
Signs of dehydration, such as dry mouth, dark urine, dizziness, or reduced urination
Symptoms starting 6 hours to 6 days after eating contaminated food
Symptoms lasting several days to a week
Recent exposure to undercooked poultry, eggs, meat, unpasteurized milk, contaminated produce, or reptile/animal contact
Severe symptoms, such as high fever, persistent vomiting, or inability to keep fluids down
Medical testing of a stool sample to confirm Salmonella infection