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Tuberculosis

Mycobacterium tuberculosis

Drug-susceptible Pulmonary Tuberculosis:

Rifampin 20mg/kg/day PO div q24h (max 600mg) for 6 months

AND

Isoniazid 10mg/kg/day PO div q24h (max 300mg) for 6 months

AND

Pyrazinamide 30-40mg/kg/day PO div q24h (max 2000mg) for 2 months

AND

Ethambutol 20mg/kg/day PO div q24h (max 2500mg/dose) for 2 months¹

 

Latent Tuberculosis:

Isoniazid 10mg/kg/day PO div q24h (max 300mg) for 6 months

​

OR

​

 Rifampin 20mg/kg/day PO div q24h (max 600mg) for 4 months

​

OR

​

Isoniazid 10mg/kg/day PO div q24h AND

Rifapentine once weekly for 3 months:

  • 10 to 14 kg: 300 mg/dose once weekly

  • >14 to 25 kg: 450 mg/dose once weekly

  • >25 to 32 kg: 600 mg/dose once weekly

  • >32 to 50 kg: 750 mg/dose once weekly

  • >50 kg: 900 mg/dose once weekly²

Empiric Therapy & Alternative Regimens

Duration of Therapy & Clinical Pearls

Consult Infectious Diseases for pulmonary tuberculosis.

 

Tuberculin Skin Test Interpretation

 

Diagnostic Strategies for Latent Tuberculosis²

 

For patients receiving isoniazid for latent TB treatment, serum transaminase levels do NOT need to be monitored before or during therapy except in patients with underlying liver or biliary disease or unless being taken concurrently with other hepatotoxic drugs.²

whichabx 2022

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