how long before you know if you have listeria?
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Symptoms might begin a few days after you've eaten contaminated food, but it can take 30 days or more before the first signs and symptoms of infection begin. If the listeria infection spreads to your nervous system, signs and symptoms can include: Headache. Stiff neck.
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There are many forms of food-related illness. Food-related illness can produce symptoms (cramps, diarrhea, vomiting, fever) from mild to very serious, with illness occurring from 30 minutes to 2 weeks after eating food containing harmful bacteria.
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Symptoms may appear rapidly, sometimes in as little as 30 minutes after you've eaten contaminated food. But it typically takes up to six hours for symptoms to develop.
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Symptoms usually occur within 24 hours after eating the infected food, according to the CDC, but they can sometimes take a week to appear, says Dr. Pandolfino. These include watery diarrhea, cramping, nausea, fever, and chills.
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Legionnaires' disease can also be associated with other symptoms such as diarrhea, nausea, and confusion. Symptoms usually begin 2 to 10 days after being exposed to the bacteria, but it can take longer so people should watch for symptoms for about 2 weeks after exposure.
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Common symptoms of foodborne illness are diarrhea and/or vomiting, typically lasting 1 to 7 days. Other symptoms might include abdominal cramps, nausea, fever, joint/back aches, and fatigue.
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How soon after eating contaminated food do symptoms occur? There are many forms of food-related illness. Food-related illness can produce symptoms (cramps, diarrhea, vomiting, fever) from mild to very serious, with illness occurring from 30 minutes to 2 weeks after eating food containing harmful bacteria.
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This depends on the cause of the contamination. For instance, symptoms of a bacterial infection linked to undercooked pork (yersiniosis), can appear between four to seven days after eating the contaminated food. But on average, food poisoning symptoms begin within two to six hours after consuming contaminated food.
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Pregnant women and their newborns are much more likely to get a Listeria infection, which is called listeriosis. Pregnant women are 10 times more likely than other people to get Listeria infection. Pregnant Hispanic women are 24 times more likely than other people to get Listeria infection.
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Pregnant women are much more susceptible to listeria infections than are other healthy adults. Although a listeria infection might cause only a mild illness in pregnant women, consequences for their babies can include: Miscarriage.
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If symptoms develop, they usually appear 2 to 7 weeks after infection. Symptoms usually last less than 2 months, although some people can be ill for as long as 6 months. If symptoms develop, they can include: Yellow skin or eyes.
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The symptoms include fever, myalgia (muscle pain), septicemia, meningitis. The incubation period is usually one to two weeks but can vary between a few days and up to 90 days.
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Symptoms of Foodborne Illness. Common symptoms of foodborne illness are diarrhea and/or vomiting, typically lasting 1 to 7 days. Other symptoms might include abdominal cramps, nausea, fever, joint/back aches, and fatigue.
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Symptoms of infection usually appear 6 hours to 6 days after eating a contaminated food. These symptoms include diarrhea, fever, and stomach cramps. In most cases, illness lasts 4–7 days and people recover without antibiotic treatment.
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Simply put, 7 – 10 days is the “Goldilocks number”: It's not so brief a span that the bacterial infection will shake it off, but it's also not long enough to cause an adverse reaction.
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Listeriosis can cause mild, flu-like symptoms such as fever, chills, muscle aches, and diarrhea or upset stomach. You also may have a stiff neck, headache, confusion, or loss of balance. Symptoms may appear as late as 2 months after you have eaten something with Listeria. Many pregnant women do not have any symptoms.
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If you are among the few girls and women who do have symptoms, they are likely to arise within one to three weeks after you first were exposed to the bacteria.