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What is E. Coli?
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Medisense Team


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E. coli (Escherichia coli), is a type of bacteria that normally lives in your intestines. It’s also found in the gut of some animals.

Most types of E. coli are harmless and even help keep your digestive tract healthy. But some strains can cause diarrhea if you eat contaminated food or drink fouled water. While many of us associate E. coli with food poisoning, you can also get pneumonia and urinary tract infections from different types of the bacteria. In fact, 75% to 95% of urinary tract infections are caused by E. coli. Some versions of E. coli make you sick by making a toxin called Shiga. This toxin damages the lining of your intestine. The strains of E. coli that make the toxin are sometimes called STEC, which is short for “Shiga toxin-producing E. coli.”

One especially bad strain, O157:H7, can make you very sick. It causes abdominal cramps, vomiting, and bloody diarrhea. It is the leading cause of acute kidney failure in children. It can also cause life-threatening symptoms such as:

Adult kidney failure
Fever
Bleeding
Confusion
Seizures
You should get emergency help if you have any of these symptoms.

How Do You Get Infected?
You can become infected when you swallow even a small amount of E. coli bacteria. Among the ways this can happen:

Ground meat: You eat ground meat that carries E. coli, and the meat wasn’t cooked enough to kill the bacteria. When meat is processed, sometimes bacteria from the animals’ intestines make their way into the meat. This happens more with ground meat because it comes from more than one animal.

Untreated milk: You drink unpasteurized milk, which hasn’t been heated to kill bacteria. E. coli can get into the milk from the cow’s udder or from milking equipment.

Vegetables and fruit: You might eat fresh vegetables or fruit that’s been tainted by water that has the bacteria. This happens most often when manure from nearby animals mixes with the water supply.
Other foods and beverages: You might also get E. coli from unpasteurized fruit juices and yogurt and cheese made from raw milk.

Water: You swallow water that contains E. coli, perhaps while swimming in a pool, lake, or pond.

Other people: You might get E. coli from another person who has it, such as a child. The bacteria can be passed to you if you clean up after an infected person and then don’t wash your hands really well before you touch your mouth.

Animals: It can be found at petting zoos or animal exhibits at fairs.

You can also contaminate food in your own kitchen if you allow a knife or cutting board that has touched uncooked meat (like chicken) to come into contact with food that will be eaten raw (like a salad).

Symptoms
You’ll probably start to feel ill 2 to 5 days after you’ve taken in the E. coli bacteria. The most common symptoms are:

Abdominal cramps
Diarrhea, which may be bloody
Nausea
Constant fatigue
You may not have a fever. If you do, it may be slight.

Healthy people infected with E. coli usually feel better within a week. But some people have a serious complication called hemolytic uremic syndrome, which affects the kidneys. This is more likely to happen to older people and children.

Treatments
The only way your doctor can know for sure if you have an E. coli infection is to send a sample of your stool to a lab to be analyzed.

Fortunately, the infection usually goes away on its own.

For some types of E.coli associated with diarrhea, such as the watery travelers’ diarrhea, antibiotics can shorten the length of time you have symptoms and might be used in moderately severe cases.

But if you have fever or bloody diarrhea or if your doctor suspects Shiga toxin-producing E. coli, antibiotics should not be taken. They can actually increase the production of Shiga toxin and worsen your symptoms.

When you start to feel better, stick to low-fiber foods at first such as:

Crackers
Toast
Eggs
Rice
Dairy products and foods that are high in fat or fiber can make your symptoms worse.

Prevention
One of the most important things you can do to protect yourself and your family against E. coli is wash your hands, particularly in these situations:

Before you prepare food
Before preparing bottles or food for infants or toddlers
Before touching anything, such as a pacifier, that goes into a small child’s mouth.
After you’ve used the bathroom or changed a diaper
After you’ve had contact with animals, even your own pets
After handling raw meat

https://www.webmd.com/food-recipes/food-poisoning/what-is-e-coli#2

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