Salmonellosis is an infection caused by Salmonella bacteria. This bacterium is found naturally in the intestines of humans and animals and is secreted in fecal matter. Foods such as peanut butter can become contaminated in a number of ways. One example from the January 2009 outbreak resulted when a roof leak allowed water that contaminated with suspected bird feces to spill into a manufacturing plant, suggests Scientific American.
Vomiting and Diarrhea
Vomiting and diarrhea are the primary symptoms of Salmonella infection resulting from the consumption of contaminated peanut butter. Diarrhea may contain blood and is watery. Along with the diarrhea and vomiting, nausea and abdominal cramps may be present. Such symptoms of illness appear within 12 hours or up to three days after consumption of the peanut butter. These symptoms typically last about three to five days, suggests the University of Michigan. Treatment consists of replenishing fluids to prevent dehydration and eating bland foods until the stomach returns to a more normal state.
Fever
A mild to moderate fever is often present with the infection, which is the result of the body's immune system working to fight off the bacteria. An infected individual also may experience chills. Treatment of the fever consists of over-the-counter temperature-reducing medications.
Pain
Abdominal pain from the diarrhea and vomiting is common. Cramping may occur before and during a bout of diarrhea. Until the body has had a chance to fight off the bacteria, the pain may continue. Some individuals may experience a headache and some mild to moderate muscle pain.
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