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Clostridium difficile (C diff) is an infection of the intestine that is caused by a specific bacteria. In some people, the infection causes symptoms, such as diarrhea. In others it can cause severe illness.
The infection is caused by the C diff bacterium. The bacterium makes toxins as it grows. These toxins irritate the intestinal lining, which can lead to swelling and pain.
The intestines normally have a healthy balance of bacteria that help with digestion. Antibiotics can disturb this balance by killing some bacteria which lets others grow in their place. If C diff is present, it may be able to grow after certain antibiotics.
C diff can also be picked up in the environment. The bacteria can pass from soiled surfaces to the hands, then to the mouth.
Factors that may increase the chances of infection include:
In those that have symptoms, they may include:
The doctor will ask about your symptoms and medical history. A physical exam will be done. A C diff diagnosis is based on your symptoms and test results.
Common tests include:
Less often the following test may be done:
People who have C diff but do not have symptoms do not need treatment.
Medications causing C diff infection may be stopped or changed.
C diff infection is treated with specific antibiotics. The doctor will choose the antibiotic based on the severity of the infection.
FMT is an experimental treatment that may be used for people with frequent C diff infections or severe C diff that cannot be treated with medications or surgery. It places stool from a healthy donor in to a recipient's intestines. The donated material may help restore a healthy balance of bacteria in the intestine.
Severe, life threatening infections may need treatment with surgery:
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Proper hand washing is the best way to prevent C diff from spreading. Wash your hands with soap and water, especially after using the bathroom. Other preventive methods include:
Centers for Disease Control and Prevention
IDSA—Infections Diseases Society of America
Canadian Association of Gastroenterology
Public Health Agency of Canada
C. difficile care at home. C Diff Foundation website. Available at: https://cdifffoundation.org/2014/08/14/c-difficile-care-at-home. Accessed May 11, 2017.
Clostridium difficile infection. EBSCO DynaMed Plus website. Available at:http://www.dynamed.com/topics/dmp~AN~T114378/Clostridium-difficile-infection. Updated February 28, 2017. Accessed May 11, 2017.
Clostridium difficile infection information for patients. Centers for Disease Control and Prevention website Available at: https://www.cdc.gov/hai/organisms/cdiff/cdiff-patient.html. Updated February 24, 2015. Accessed May 11, 2017.
Heinlen L, Ballard JD. Clostridium difficile infection. Am J Med Sci. 2010;340(3):247-252.
Kachrimanidou M, Malisiovas N. Clostridium difficile infection: a comprehensive review. Crit Rev Microbiol. 2011;37(3):178-187.
Winslow BR, Onysko M, Thompson KA, Caldwell K, Ehlers GH. Common questions about clostridium difficile infection. Am Fam Physician. 2014;89(6):437-442.
Last reviewed January 2018 by EBSCO Medical Review Board Michael Woods, MD, FAAP Last Updated: 1/11/2018