What is isoniazid, pyrazinamide, and rifampin?
Isoniazid, pyrazinamide, and rifampin are antibiotics. They prevent tuberculous bacteria from multiplying in your body. Isoniazid, pyrazinamide, and rifampin are used together to treat tuberculosis (TB). Isoniazid, pyrazinamide, and rifampin may also be used for purposes other than those listed in this medication guide.