A Patient Who Is Taking Rifampin (Rifadin)for Tuberculosis Calls the Clinic

A patient who is taking rifampin (Rifadin) for tuberculosis calls the clinic and reports having orange discolored urine and tears. Which response by the nurse reflects accurate knowledge about the medication and the patient's illness?

A) Ask the patient about any visual changes in red-green color discrimination.
B) Question the patient about experiencing shortness of breath, hives, or itching.
C) Explain that orange discolored urine and tears are normal while taking this medication.
D) Advise the patient to stop the drug and report the symptoms to the health care provider.