A Patient Comes to a Clinic for Tuberculosis Medications 2

A patient comes to a clinic for tuberculosis medications 2 weeks after beginning treatment with a four-drug induction phase. The patient's sputum culture remains positive, and no drug resistance is noted. At this point, the provider will take what action?

A) Change the regimen to a two-drug continuation phase.
B) Continue the four-drug regimen and recheck the sputum in 2 weeks.
C) Obtain a chest radiograph and consider adding another drug to the regimen.
D) Question the patient about adherence to the drug regimen.