Multi Drug-resistant tuberculosis (MDR-TB) and extensively drug-resistant tuberculosis (XDR-TB) are emerging as a major challenges across globe including in India as narrated by the World Health Organization (WHO) for success the Stop TB strategy, launched in 2006.[1] MDR-TB is defined as tuberculosis disease where the bacilli is resistant to isoniazid (H) and rifampicin (R), with or without resistance to other drugs. Irregular consumption and frequent interruption in taking treatment for TB is the most common cause of acquiring multidrug resistance.
Key words: Drug resistance tuberculosis, Multi-drug resistance tuberculosis, Extensively drug resistance tuberculosis
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