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Doctor insights on: Listeria Consumption Of Unpasteurized Milk Products

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What could happen if you give a baby unpasteurized milk?

What could happen if you give a baby unpasteurized milk?

Infection: Pasteurization techniques eliminate much of the worry over passing germs from the cow udder to a child or adult. A variety of germs can be present in the initial product, either from the skin or within the udder & not be visible during collection. The germs can feed of the components & reproduce in great numbers.A gastroenteritis caused by such germs is worrisome in infants who dehydrate quickly. ...Read more

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Unpasteurized Milk Products (Definition)

Milk that is pasteurized has undergone a special process of heating that kills harmful bacteria in the milk. Almost all milk that is sold in grocery stores in the United States is pasteurized. Unpasteurized milk (such as milk freshly milked from a cow), may contain bacteria that may be harmful to pregnant ...Read more


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Can , unpasteurized, fresh squeezed orange juice cause harm to a fetus? I know unpasteurized milk and cheese should be avoided .

Can   , unpasteurized,  fresh squeezed orange juice cause harm to a fetus?  I know unpasteurized milk and cheese   should be avoided .

Be safe: If you are cleaning, peeling, and squeezing the fresh oranges yourself, the risk is probably low. If, however, you are not directly controlling the preparation, you should probably avoid pasteurized drinks during pregnancy. ...Read more

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Could listeria crawl from a dry shelf onto/up a water pitcher or milk jug in the fridge? Being pregnant makes me quite paranoid.

Could listeria crawl from a dry shelf onto/up a water pitcher or milk jug in the fridge? Being pregnant makes me quite paranoid.

Dear Paranoid: It sounds like you are quite worried. Just to put this in perspective, the incidence of listeriosis in pregnancy is 12 per 100, 000. Thus it is a rare disease. Listeria is found commonly in nature. So it can be hard to avoid being exposed to it. It is recommended that you let your obstetrician know if you have symptoms of listeriosis. Symptoms of listeriosis include: fever, flu-like syndrome, . ...Read more

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I ate a product since recalled b/c of possible Listeria Monocytogenes contamination. How long till I know I'm in the clear in terms of getting sick?

I ate a product since recalled b/c of possible Listeria Monocytogenes contamination. How long till I know I'm in the clear in terms of getting sick?

Listeria infection: Healthy people rarely become ill from listeria infection, but the disease can be fatal to unborn babies and newborns. People who have weakened immune systems also are at higher risk of life-threatening complications. Prompt antibiotic treatment can help curb the effects of listeria infection. Symptoms may occur very quickly, within a day or two but may also be delayed for months in onset. ...Read more

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What happens if I ate a product recalled due to listeria before the listeria alert came out? I'm 33 weeks pregnant. I'm scared!!!

What happens if I ate a product recalled due to listeria before the listeria alert came out? I'm 33 weeks pregnant. I'm scared!!!

F/U with OB: First, I would remain calm. If you haven't already, I would follow up with your OB immediately and discuss the situation. He/She will be able to discuss a plan for further evaluation. ...Read more

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Will symptoms of listeria appear in less than 24 hours after eating infected product? I am pregnant, not feeling well, and ate questionable cheese

Will symptoms of listeria appear in less than 24 hours after eating infected product? I am pregnant, not feeling well, and ate questionable cheese

Unlikely : The incubation period for listeria is 3 to 70 days. Listeria is killed by cooking and pasteurization so if the cheese was made with pasteurized milk it is less likely to be contaminated with Listeria. The symptoms are fever, muscle aches, nausea, diarrhea, and neck stiffness. You should see your doctor and get checked if you are truly concerned about a possible infection and is bad in pregnancy. ...Read more

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Does all canned luncheon meat like SPAM harbor listeria? Ate product made with it meant to be cold never warmed. I'm 34w today.

Does all canned luncheon meat like SPAM harbor listeria? Ate product made with it meant to be cold never warmed.  I'm 34w today.

Listeria risks: It can be very difficult to know if a food is contaminated or not with bacteria. For that, mostly, we have to trust the FDA and food inspectors. That said, certain clues can help us avoid foodborne illness. Smell and taste obviously. Also "age" of something after it was opened. Spam direct from can was OK but if it's been in the fridge for a while, toss it. Listeria can grow in the refrigerator. ...Read more

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Can legionella be transmitted through consumption of milk and milk products?

Can legionella be  transmitted through consumption of milk and milk products?

No: Legionella is mostly thought to be transmitted via exposure to contaminated fresh water, not dairy products. ...Read more

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Is the consumption of milk and other dairy products correlated with the prevalence of prostate cancer?

Is the consumption of milk and other dairy products correlated with the prevalence of prostate cancer?

No: While the cause of prostate is not known, and there are links to families with cancer, we next ascribe diet, mostly rish in saturated fats and red meats. Increasingly "healthy" diets are rich in fresh fruits and vegtables, lycopenes from processed tomatoes, elagic acid anti-oxidants from berries and cruciferous vegetables. Vitamin e appears not to help. Milk/dairy has not been indicted! ...Read more

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