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As of October 2006, "Extensively drug-resistant tuberculosis" (XDR-TB) is defined as MDR-TB that is resistant to quinolones and also to any one of kanamycin, capreomycin, or amikacin. [76] The old case definition of XDR-TB is MDR-TB that is also resistant to three or more of the six classes of second-line drugs. [77]
Capreomycin is an antibiotic which is given in combination with other antibiotics for the treatment of tuberculosis. [1] Specifically it is a second line treatment used for active drug resistant tuberculosis. [1] It is given by injection into a vein or muscle. [1]
For the treatment of tuberculosis, cycloserine is classified as a second-line drug. Its use is only considered if one or more first-line drugs cannot be used. Hence, cycloserine is restricted for use only against multiple drug-resistant and extensively drug-resistant strains of M. tuberculosis.
Multidrug-resistant tuberculosis (MDR-TB) is a form of tuberculosis (TB) infection caused by bacteria that are resistant to treatment with at least two of the most powerful first-line anti-TB medications (drugs): isoniazid and rifampicin. Some forms of TB are also resistant to second-line medications, and are called extensively drug-resistant TB .
XDR-TB is defined as TB that has developed resistance to at least rifampicin and isoniazid (resistance to these first line anti-TB drugs defines multidrug-resistant tuberculosis, or MDR-TB), as well as to any member of the quinolone family and at least one of the following second-line anti-TB injectable drugs: kanamycin, capreomycin, or ...
MDR-TB is defined as resistance to the two most effective first-line TB drugs: rifampicin and isoniazid. Extensively drug-resistant TB is also resistant to three or more of the six classes of second-line drugs. [155] Totally drug-resistant TB is resistant to all currently used drugs. [156]
Specifically it is used to treat active drug resistant tuberculosis together with other antituberculosis medications. [3] It has also been used as a second line agent to sulfasalazine in people with inflammatory bowel disease such as ulcerative colitis and Crohn's disease. [3] It is typically taken by mouth. [3]
Extensively drug resistant tuberculosis is tuberculosis that is resistant to isoniazid and rifampicin, any fluoroquinolone, and any of the three second line injectable TB drugs (amikacin, capreomycin, and kanamycin). [1] TDR-TB has been identified in three countries; India, Iran, and Italy. The term was first presented in 2006, in which it ...