To effectively treat tuberculosis , it is crucial that patients take their medications exactly as prescribed .
Patients who have a positive PPD test ( but not active tuberculosis ) may decrease their risk by properly taking medicines to prevent tuberculosis .
To effectively treat tuberculosis , it is crucial that patients take Patients ' medications exactly as prescribed .
Patients who have a positive PPD test ( but not active tuberculosis ) may decrease their risk by properly taking medicines to prevent tuberculosis .