Klebsiella pneumoniae is a type of bacteria that can cause pneumonia, UTIs, wound infections and other illnesses. Some can be severe and hard to treat with antibiotics. Klebsiella naturally lives in your gut and respiratory tract. It most often spreads from person to person or through contaminated medical devices.
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Klebsiella pneumoniae is a type of bacteria that’s usually found in poop (stool) and your respiratory tract. It can also live in dirt and water in the environment.
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Klebsiella can cause:
Klebsiella can be dangerous because some strains are resistant to antibiotics. This means standard antibiotics don’t work to get rid of the infection, and it can be hard to treat.
There are different types of Klebsiella pneumoniae:
Klebsiella symptoms depend on where you get infected. Some symptoms could include:
You can get a Klebsiella infection from:
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You might be at a higher risk for a Klebsiella infection if you’re hospitalized or live in a long-term care facility. You’re also at higher risk if you have:
Klebsiella pneumoniae infections can be severe. They can damage tissue and spread to other parts of your body. This can cause lifelong health issues or even death. These include:
A provider diagnoses Klebsiella infections by testing a sample of your blood, pee or tissue. Tell your provider about any implanted medical devices you have or recent surgeries. Depending on your symptoms, you might also need imaging, like a CT scan.
Healthcare providers treat Klebsiella infections with antibiotics. Often, certain antibiotics don’t work on Klebsiella bacteria. So, your provider may need to try different antibiotics or a combination of antibiotics to get rid of the infection.
If you have risk factors for a Klebsiella infection, ask your healthcare provider about the signs you should look out for. Follow up with your provider if you have any concerning symptoms.
Go to the emergency room if you have any signs of severe illness, including:
Klebsiella infections can be serious. Providers will monitor you closely during treatment. The outcome depends on:
Healthcare providers follow safety and sterilization rules to prevent healthcare-acquired infections like Klebsiella. These include:
You can help prevent Klebsiella infections by:
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Harmless bacteria live on and inside your body. But sometimes, they can get into parts of your body where they’re not supposed to be and make you sick. Even if you’re in the hospital, make sure you let your care team know if you have any new or concerning symptoms. This can help any infections get treatment as soon as possible.
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Last reviewed on 09/15/2025.
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