About Listeria

From the nation’s leading law firm representing victims of listeria and other foodborne illness outbreaks.

Chapter 9

Treatment for Listeria Infection

Listeria infections typically resolve without treatment, but antibiotics may be necessary to treat some cases.

Listeriosis is usually a self-limited illness—which means that a majority of infected individuals will improve without the need for medical care. [4, 11, 14, 18] But for those patients with a high fever, a stool culture and antibiotic-treatment may be justified for otherwise healthy individuals. [4, 18] Although there have been no studies done to determine what drugs or treatment duration is best, ampicillin is generally considered the “preferred agent.” [18] There is no consensus on the best approach for patients who are allergic to penicillins.[18]

Invasive infections with Listeria can be treated with antibiotics. [18] When infection occurs during pregnancy, antibiotics given promptly to the pregnant woman can often prevent infection of the fetus or newborn. [18, 24] Babies with listeriosis receive the same antibiotics as adults, although a combination of antibiotics is often used until physicians are certain of the diagnosis.

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Antimicrobial Resistance in Bacteria

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