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What are the symptoms of listeriosis?

Symptoms of listeriosis resemble those of the flu and may include fever, chills, headache, feeling unwell, muscle pain and diarrhea. If the bacteria infect the nervous system or the blood, severe listeriosis can set in. Symptoms of severe listeriosis include stiff neck muscles, twitching, seizures, loss of physical coordination and confusion. In infants, symptoms can include loss of appetite or food refusal, jaundice, trouble breathing, shock, irritability, lack of energy, skin rash, and an upset stomach or vomiting.

FAQ Frequently asked questions

What is listeriosis?

Listeriosis is a condition caused by Listeria monocytogenes bacteria. These bacteria are widespread in nature and can be found in the soil, water and in many animals. People most often get infected with Listeria after eating food that is contaminated with the bacteria.

How is listeriosis diagnosed?

Listeriosis is diagnosed by laboratory testing of tissue samples and blood.

How is listeriosis treated?

Listeriosis can be treated with a course of antibiotics.

Can listeriosis be cured?

Listeriosis is a curable disease, if treated quickly and correctly.

Will listeriosis clear on its own?

Most cases of listeriosis will clear after a few days. Complicated listeriosis in high-risk people requires medical attention.

Is listeriosis contagious?

Listeriosis does not pass from person to person.

How is listeriosis spread?

Listeriosis is spread via contaminated food. A pregnant woman can transmit the bacteria to her unborn baby.

Can listeriosis be prevented?

Although the chance of infection cannot be completely eliminated, listeriosis can be avoided by practicing good food-handling practices. People at risk can avoid risky foods.

What happens if listeriosis occurs during pregnancy?

About one in five pregnant women who have listeriosis are in real danger of experiencing premature birth, birth complications, miscarriage or stillbirth. Unborn babies and infants who contract listeriosis from their mother in the womb …

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About this article

Author: Lauren Donley BSc (Hons)
First answered: 19 Sep 2014
Last reviewed: 19 May 2018
Rating: 4.0 out of 5
Votes: 99 (Click smiley face below to rate)
Category: Cellulitis

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