Listeriosis Symptoms: Causes, Risks & What to Watch For

The symptoms of listeriosis can vary depending on the person's health and the severity of the infection. Some people may only have mild symptoms, while others may develop severe illness.

Common symptoms of listeriosis include:

- Fever

- Muscle aches

- Nausea

- Vomiting

- Diarrhea

- Headache

- Stiff neck

- Confusion

- Loss of balance

- Seizures

- In severe cases, listeriosis can lead to meningitis (inflammation of the membranes that surround the brain and spinal cord) or bloodstream infection. These conditions can be life-threatening.

Listeriosis is most commonly associated with:

- Pregnant women

- Adults aged 65 and older

- People with weakened immune systems

If you think you may have listeriosis, it is important to see a doctor right away. Listeriosis can be treated with antibiotics, but early diagnosis and treatment is important to prevent serious complications.