Skip to Content
Home > Patients & Visitors > Health Library > Multidrug-Resistant Tuberculosis (TB)
View Additional Content In This Section
Multidrug-resistant tuberculosis (MDR-TB) occurs when the
bacteria are resistant to at least isoniazid and rifampin. This means that
these medicines are unable to kill the bacteria. The reasons
antibiotic resistance occurs include:
People who have resistant disease are at increased risk
for dying of TB, especially if they also are infected with the
human immunodeficiency virus (HIV). People who are at
highest risk for developing multidrug-resistant TB are those who:
To reduce the problem of drug resistance, doctors now use the
following guidelines to treat all people who have resistant TB:1
A rare type of MDR-TB is called extensively drug-resistant
tuberculosis (XDR-TB). This type of TB is resistant to isoniazid, rifampin, and
several other medicines used to treat TB.
American Thoracic Society, Centers for Disease Control
and Prevention, Infectious Diseases Society of America (2003). Treatment of
tuberculosis. American Journal of Respiratory and Critical Care Medicine, 167(4): 603–662.
April 15, 2011
E. Gregory Thompson, MD - Internal Medicine & R. Steven Tharratt, MD, MPVM, FACP, FCCP - Pulmonology, Critical Care Medicine, Medical Toxicology
How this information was developed to help you make better health decisions.
To learn more visit Healthwise.org
© 1995-2013 Healthwise, Incorporated. Healthwise, Healthwise for every health decision, and the Healthwise logo are trademarks of Healthwise, Incorporated.
Request an appointment online>>
2650 Siskiyou Blvd., Medford, OR 97504