Treatment Decision Tree

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You suspect a patient has active tuberculosis

Treat with INH/RIF/EMB/PZA

• You may discontinue EMB if the results of drug susceptibility tests indicate no resistance
• You may discontinue PZA after 2 months

Chest X-ray shows cavitation, In 2 months, the culture is Negative

Treat with INH/RIF for 6 months - Therapy may be extended to 9 months at clinician's discretion