SEARCHED TERM
First-line drug
DEFINITION
Drugs used as the first resort to treat a disease. In the case of tuberculosis, the following four drugs are usually chosen: isoniazid (H), rifampicin (R), ethambutol (E), pyrazinamide (Z).
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SOURCE DEFINITION
First drug normally used to treat a particular condition. The standard regimens for new TB cases and retreatment cases use first-line drug.
OTHER DEFINITIONS
Drugs used as the first resort to treat a disease. In the case of TB, the following four drugs are usually chosen: isoniazid (H), rifampicin (R), ethambutol (E), pyrazinamide (Z). These drugs are highly effective in drug-susceptible TB and patients usually tolerate them well. Streptomycin (S) injectable is used in first line treatment of TB meningitis
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