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| Drug | Adult dosage and range
(mg/kg) |
Childhood dosage and
range (mg/kg) |
Maximum
dosage (mg/day) |
|---|---|---|---|
| Isoniazid (H) | 5 (4-6) | 10 (10-15) | 300 |
| Rifampicin (R) | 10 (8-12) | 15 (10-20) | 600 |
| Pyrazinamide (Z) | 25 (20-30) | 35 (30-40) | |
| Ethambutol (E) | 15 (15-20) | 20 (15-25) |
