Diagnosis and Treatment

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Listeriosis is usually diagnosed when a bacterial culture (a type of laboratory test) grows Listeria monocytogenes from a body tissue or fluid, such as blood, spinal fluid, or the placenta.

Listeriosis is treated with antibiotics.

Learn more about treatment of high-risk people  

Who Has a Greater Chance of Listeria Food Poisoning?
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Pregnant Women
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Older Adults
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People with Weakened Immunity
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Page last reviewed: December 12, 2016
Content source: Centers for Disease Control and Prevention, National Center for Emerging and Zoonotic Infectious Diseases (NCEZID), Division of Foodborne, Waterborne, and Environmental Diseases (DFWED)