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Print ArticleVancomycin-Resistant Enterococci (VRE)
Overview
What is vancomycin-resistant enterococci (VRE)?
Vancomycin-resistant enterococci (VRE) are a type of bacteria called enterococci that have developed resistance to many antibiotics, especially vancomycin. Enterococci bacteria live in our intestines and on our skin, usually without causing problems.
Enterococci bacteria become a problem when they cause infection. These infections can occur anywhere in the body. Some common sites include the intestines, the urinary tract, and wounds. For some people, especially those who are weak or ill, these infections can become serious.
Vancomycin-resistant enterococci infections are treated with antibiotics, which are the types of medicines normally used to kill bacteria. VRE infections are more difficult to treat than other infections with enterococci because fewer antibiotics are effective against the bacteria.
What causes a VRE infection?
VRE, like many bacteria, can be spread from one person to another through casual contact or through contaminated objects. Most often, VRE is spread from the hands of a doctor to a patient in a hospital or other health care setting. VRE is not usually spread through the air like the common cold or flu virus unless you have VRE pneumonia and are coughing, which is rare.
If you are healthy, your chances of getting VRE are very low. Even if you have been exposed to VRE, or have VRE in your body, you are not likely to get an infection. VRE infections generally only occur among people who have weakened immune systems, such as people with long-term illnesses or people who have had major surgery or other medical procedures and have been treated with multiple antibiotics.
Experts do not know exactly why some people become infected with VRE and others do not. But they do know that VRE infections are more likely to develop when antibiotics such as vancomycin are used often. Given enough time, bacteria can outsmart antibiotics so that these medicines no longer work well. This is why VRE and other antibiotic-resistant bacteria are sometimes called "super bugs."
What are the symptoms?
The symptoms of a VRE infection depend on where the infection is. If VRE is causing a wound infection, that area of your skin may be red or tender. If you have a urinary tract infection, you may have back pain, a burning sensation when you urinate, or a need to urinate more often than usual. Some people with VRE infections have diarrhea, feel weak and sick, or have fever and chills.
How is VRE diagnosed?
If your doctor suspects that you are infected with VRE, he or she will send a sample of your infected wound, blood, urine, or stool to a lab. The lab will grow the bacteria and then test to see which kinds of antibiotics kill the bacteria. This test may take several days.
WebMD Medical Reference from Healthwise
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