Drug-resistant tuberculosis medical therapy

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Alejandro Lemor, M.D. [2]

Multiple Drug-Resistant (MDR) Tuberculosis

• MDR-TB is defined as resistance to isoniazid and rifampicin, with or without resistance to other first-line drugs.
• Medical treatment for MDR-TB consists of at least 4 drugs that have shown effectiveness against MDR.
• Treatment duration will depend on the culture results. The duration of therapy should be > 18 months after culture is negative.
• Chronic cases with severe pulmonary disease may require more than 24 months of therapy.

MDR Tuberculosis   ▸  Adults   ▸  Children

MDR-TB Adults Standard Regimen Group 1: First-line oral drugs ▸ Pyrazinamide OR ▸ Ethambutol OR ▸ Rifabutin PLUS Group 2: Injectable drugs ▸ Kanamycin OR ▸ Amikacin OR ▸ Capreomycin OR ▸ Streptomycin PLUS Group 3: Fluoroquinolones ▸ Levofloxacin OR ▸ Moxifloxacin OR ▸ Ofloxacin PLUS Group 4:Oral bacteriostatic second-line drugs ▸ Para-aminosalicylic acid OR ▸ Cycloserine OR ▸ Terizidone OR ▸ Ethionamide OR ▸ Protionamide Table adapted from WHO 2013 Treatment of tuberculosis: guidelines – 4th ed. MDR-TB Children Preferred Regimen ▸

Extensively Drug-Resistant XDR Tuberculosis

XDR-TB is defined as resistance to at least isoniazid and rifampicin, and to any fluoroquinolone, and to any of the three second-line injectables (amikacin, capreomycin, and kanamycin).

XDR Tuberculosis   ▸  Adults   ▸  Children

XDR-TB Adults Preferred Regimen ▸ ' XDR-TB Children Preferred Regimen ▸