Salmonella Food Poisoning - Salmonella Infections

What are the signs and symptoms of the infection?

Most people who develop a Salmonella infection will not have any symptoms. If symptoms do occur, they usually start 12 to 72 hours after contact. Most symptoms last from 4 to 7 days. Diarrhea may last up to 2 weeks. Someone who has a Salmonella infection may have the following symptoms:

Sometimes the bacteria can enter the bloodstream. The bloodstream infection can cause very high fever and low blood pressure. From the bloodstream, the bacteria may spread to other parts of the body. The brain, bones, and other organs may be infected. This often happens in infants with the infection.

Typhoid fever, caused by a specific type of Salmonella known as Salmonella typhi, has a slow onset of symptoms including: