These symptoms can begin days to weeks after eating contaminated food. A blood test can confirm whether you have been infected with listeriosis. If you have eaten contaminated food and do not have symptoms, some experts feel no special testing or treatment is needed. Be sure to discuss this with your healthcare provider.
How can I find out if my baby has been infected with Listeria during my pregnancy? An ultrasound to look at the baby can be used to check for an enlarged heart, thickened bowel, and increased thickness of the stomach walls, which may occur in some babies infected with Listeria. A blood test can also be performed on the baby after birth to detect whether the baby has been infected with Listeria.
Miscarriage can occur in any pregnancy. There is an increased chance of miscarriage when infection occurs in the first trimester of pregnancy. Infections after the first trimester are associated with a lower chance of pregnancy loss.
This is called the background risk. Listeriosis infection has not been linked to an increased chance of birth defects. Pregnancies affected by or exposed to Listeria can have an increased chance of infection in the uterus, preterm delivery delivery before 37 weeks of pregnancy and in the most severe infection, the possibility of stillbirth.
Listeriosis during pregnancy can also increase the chance for serious health problems for the newborn. Newborn babies infected with Listeria can develop either early onset or late onset listeriosis. Early onset listeriosis develops days after birth, and the baby often has signs of a serious bacterial infection. Late onset listeriosis occurs weeks after birth, and usually includes symptoms of meningitis a condition where there are areas of swelling around the brain and spinal cord in the baby.
If not treated quickly with antibiotics, the effects of meningitis can lead to long-term problems for some children. Not all babies who are exposed to listeriosis during pregnancy will have problems.
Early diagnosis and treatment with high doses of antibiotics might prevent infection of the fetus. Large doses of antibiotics have been recommended to treat listeriosis during pregnancy. Listeriosis is a life-threatening infection caused by eating food contaminated with the bacterium germ Listeria monocytogenes.
The disease primarily affects pregnant women and their newborns, older adults, and people with immune systems weakened by cancer, cancer treatments, or other serious conditions like diabetes, kidney failure, liver disease, and HIV.
Rarely, people without these risk factors are affected. A person with listeriosis usually has fever and muscle aches, sometimes preceded by diarrhea or other gastrointestinal symptoms.
Almost everyone who is diagnosed with listeriosis has invasive infection, meaning the bacteria spread from their intestines to the blood, causing bloodstream infection, or to the central nervous system, causing meningitis. Although people can sometimes develop listeriosis up to 2 months after eating contaminated food, symptoms usually start within several days.
Listeriosis is treated with antibiotics. If a person has eaten food contaminated with Listeria and does not have any symptoms, most experts believe that no tests or treatment are needed, even for people at higher risk for listeriosis.
Read the full Outbreak Investigation. People with invasive listeriosis usually report symptoms starting 1 to 4 weeks after eating food contaminated with Listeria ; some people have reported symptoms starting as late as 70 days after exposure or as early as the same day of exposure. Sign up for RSS Feed. Listeria Listeriosis. Section Navigation. Facebook Twitter LinkedIn Syndicate.
Minus Related Pages. Pregnant women : Pregnant women typically experience only fever and other flu-like symptoms, such as fatigue and muscle aches.
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