Tuberculosis: About 1.3 percent of all US TB cases reported in 2009 were multiple drug-resistant, or MDR, TB. With MDR or XDR-TB, the standard cocktail of antibiotics does not work and stronger medicines must be used, often for a longer time. Surgery may also be required to remove pockets of infection. To prevent the spread of drug-resistant TB, patients need to take all of their medications exactly as prescribed.
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