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Doctor insights on: Listeria Blood Culture

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Dr. Jan Lei Iwata
77 doctors shared insights

Blood Culture (Definition)

Blood cultures refers to taking a sample of blood and growing in the microbiology laboratory for invasive organisms. Typically blood cultures are used for bacteria but can also be used to try and identify fungal organisms in ...Read more


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Wools listeria be found in routine blood work?

Wools listeria be found in routine blood work?

Odd wording: Blood work is not where you look for or find listeria, except in a patient with blood poisoning.Blood work may show non specific changes. ...Read more

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How effective is blood test for listeria?

Not very unless: you have active infection with Listeria. Blood cultures for Listeria are most effective if you have active symptoms. Antibody titers for Listeria will not be very good as time of exposure and whether infection is present or not is hard to determine. ...Read more

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Will listeria show blood in stool?

Will listeria show blood in stool?

Doubt it: Listeria causes serious infections. Only your doctor can diagnose it and guide you further. If you are well, you do not have listeria. ...Read more

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Is pooping blood clots a sign of the listeria bacteria?

Is pooping blood clots a sign of the listeria bacteria?

Hematochezia: Hematochezia, or the loss of bright red blood in the stool, is most often due to hemorrhoidal bleeding but can also be the result of several other dangerous conditions such as cancer or inflammatory bowel disease. It must be investigated by a gastroenterologist immediately! ...Read more

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How long after getting listeria will it show up in blood tests? What if I had it a month or more ago? I am pregnant.

How long after getting listeria will it show up in blood tests? What if I had it a month or more ago? I am pregnant.

Blood cultures: Listeria testing is best done when one is acutely ill typically through blood cultures. Pregnant women with high fever, diarrhea, myalgias and headache in whom no other more common cause can be identified may be tested. For a potential infection more than a month ago typically no testing is done and fetal surveillance through basic prenatal care and ultrasound are done. ...Read more

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I ate food that was recalled due to listeria. How soon would the bacteria show up on a blood test? Possibly pregnant.

I ate food that was recalled due to listeria. How soon would the bacteria show up on a blood test? Possibly pregnant.

Listeria outbreak: It is quite unlikely for Listeria to show up in the blood. Most commonly a "GI illness" is what occurs - such as nausea/vomiting or diarrhea. For those who's immune system is weak - including older age, cancer, HIV/AIDs, or even pregnancy - then it's important to check professionally with a doctor for any fevers or other signs of serious illness. Listeria, when it attacks, is a serious illness. ...Read more

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I am 11 weeks pregnant and think i may have contracted listeria. I am asymptomatic-would a blood test still show the presence of listeria at this point?

Listeria: I am not sure why you think you have listeria. It can be a serious infection during pregnancy. Typically you will run very high fevers with it if it does affect the pregnancy. Blood cultures and perhaps antibody testing could be helpful. See your doctor. ...Read more