Abstract
Single-drug prophylaxis is recommended after tuberculin skin test conversion, but not when there is active disease on chest radiograph because resistance develops frequently. Isoniazid-resistant tuberculosis developed in a physician receiving prophylaxis despite "faint left upper lobe soft tissue density" on chest radiograph. Ignoring active disease on chest x-ray renders this strategy counterproductive and cost ineffective.
MeSH terms
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Adult
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Antitubercular Agents / administration & dosage
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Antitubercular Agents / pharmacology
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Antitubercular Agents / therapeutic use*
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Drug Resistance, Microbial
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Drug Therapy, Combination
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Humans
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Infectious Disease Transmission, Patient-to-Professional
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Isoniazid / administration & dosage
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Isoniazid / pharmacology
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Isoniazid / therapeutic use*
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Male
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Mycobacterium tuberculosis / drug effects
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Radiography, Thoracic
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Tuberculin Test
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Tuberculosis, Pulmonary / diagnostic imaging*
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Tuberculosis, Pulmonary / drug therapy
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Tuberculosis, Pulmonary / prevention & control
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Tuberculosis, Pulmonary / transmission
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Virginia
Substances
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Antitubercular Agents
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Isoniazid