Salmonellosis is an illness caused by Salmonella bacteria. There are many different species of Salmonella bacteria which can infect both humans and animals. The common symptoms are:
- headache
- stomach pain
- diarrhea
- nausea
- sometimes vomiting
These symptoms may go away after several days but without antibiotic treatment the sick person may be able to pass the disease to others for up to two months. People who have salmonellosis should not take antidiarrheal medicines because this may lengthen the amount of time, they can pass the disease to other people.