Pyrazinamidedrug info
pyrazinamide 500 MG Oral Tablet
What it is used for
INDICATIONS & USAGE Pyrazinamide is indicated for the initial treatment of active tuberculosis in adults and children when combined with other antituberculous agents. (The current recommendation of the CDC for drug-susceptible disease is to use a six-month regimen for initial treatment of active tuberculosis, consisting of isoniazid, rifampin and pyrazinamide given for 2 months, followed by isoniazid and rifampin for 4 months. *4 ) (Patients with drug-resistant disease should be treated with regimens individualized to their situation. Pyrazinamide frequently will be an important component of such therapy.) (In patients with concomitant HIV infection, the physician should be aware of current recommendations of CDC. It is possible these patients may require a longer course of treatment.) It is also indicated after treatment failure with other primary drugs in any form of active tuberculosis. Pyrazinamide should only be used in conjunction with other effective antituberculous agents. *See recommendations of Center for Disease Control (CDC) and American Thoracic Society for complete regimen and dosage recommendations. 4
Text above is quoted in full from the FDA-approved drug label published by openFDA, effective March 2, 2026. Matched to this product by RxNorm code. Cross-references to other sections of the full prescribing information have been removed, since they point to a document not shown here. Nothing else is changed: no sentence is shortened, reworded or summarised.
Description
Pyrazinamide, the pyrazine analogue of nicotinamide, is an antituberculous agent. It is a white crystalline powder, stable at room temperature, and sparingly soluble in water. Pyrazinamide has the following structural formula: Each pyrazinamide tablet for oral administration contains 500 mg of pyrazinamide and the following inactive ingredients: Corn Starch, Magnesium Stearate, Pregelatinized Starch and Stearic Acid. structure
Text above is quoted in full from the FDA-approved drug label published by openFDA, effective March 2, 2026. Matched to this product by RxNorm code. Cross-references to other sections of the full prescribing information have been removed, since they point to a document not shown here. Nothing else is changed: no sentence is shortened, reworded or summarised.
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