Chapter 10
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What is drug-resistant TB?

Drug-resistant TB is when the bacteria that infected you are resistant to one or more anti-TB drugs. Drug resistance is possible in people getting TB for the first time (patients who have not received treatment with anti-TB drugs before), or they may have been infected with drug-resistant TB and not disclosed previous TB treatment. Drug resistance occurs much more commonly in patients with a history of previous treatment that was not completed properly.