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What Is Extensively Drug Resistant Tuberculosis (xdr-tb)? |
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Answer» Extensively drug RESISTANT TB (XDR-TB) is a relatively rare type of MDR-TB. XDR-TB is defined as TB which is resistant to IONIZED and revamping, plus resistant to any fluoroquinolone and at least one of three injectable second-line drugs (i.e., amikacin, kanamycin, or capreomycin). Because XDR-TB is resistant to first-line and second-line drugs, patients are left with TREATMENT options that are much less effective and may require PROLONGED treatment. Extensively drug resistant TB (XDR-TB) is a relatively rare type of MDR-TB. XDR-TB is defined as TB which is resistant to ionized and revamping, plus resistant to any fluoroquinolone and at least one of three injectable second-line drugs (i.e., amikacin, kanamycin, or capreomycin). Because XDR-TB is resistant to first-line and second-line drugs, patients are left with treatment options that are much less effective and may require prolonged treatment. |
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