how long does it take for salmonella symptoms to appear
Symptoms of salmonella usually start from 12 to 72 hours after the bacteria has been swallowed. The symptoms include abdominal cramps, headache, fever, and severe watery diarrhea.Nausea and vomiting may also occur. People infected with salmonella can have milder or no symptoms.almonella is bacteria that can cause a gastrointestinal infection known as salmonellosis. Usually salmonellosis is referred to as salmonella.. This infection can occur in humans and animals. Most people infected with salmonella are ill for four to seven days. The person may be ill enough to require hospitalization.