Tuberculosis: review of treatment failure, relapse and drug resistance

Abstract

Factors affecting the success and failure of tuberculosis (TB) treatment programs are reviewed. Topics covered include incidences of primary and secondary resistance; methods and probability of bacteriologic transfer of resistance; factors affecting delivery of successful treatment of TB; and retreatment concepts, history and regimens for TB relapse and treatment failures. Isoniazid, rifampin and ethambutol hydrochloride produce a high percentage of cure in initial and retreatment TB therapy. Attention to patient compliance should be emphasized to assure effective treatment.