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Curr Gastroenterol Rep. 2008 Aug;10(4):424-31.

Salmonellosis and the gastrointestinal tract: more than just peanut butter.

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Clinical Investigation Department (KCA), Naval Medical Center San Diego, 34800 Bob Wilson Drive, Suite 5, San Diego, CA 92134-1005, USA.


Nontyphoidal salmonellosis is the leading cause of foodborne illness in the United States, causing about 1.4 million infections annually. Most cases of salmonellosis are due to ingestion of contaminated food items such as eggs, dairy products, and meats, but almost any foodstuff can be implicated, including peanut butter, as seen during a recent outbreak of more than 600 Salmonella infections. Although outbreaks often gain national media attention, the majority of nontyphoidal Salmonella infections in the United States occur sporadically. Risk factors for salmonellosis include gastric hypoacidity, recent use of antibiotics, extremes of age, and immunosuppressive conditions. Clinical manifestations of the infection most commonly involve self-limited gastroenteritis, but bacteremia and endovascular and localized infections may occur. Most cases of gastrointestinal involvement are self-limited, and antibiotic therapy is reserved for persons at risk for complicated disease. Preventive strategies by both industry and consumers are advocated to further reduce the occurrence of nontyphoidal salmonellosis.

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