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 is the best response by the nurse?

A) Ask if the patient is experiencing shortness of breath, hives, or itching.
B) Ask the patient about any visual abnormalities such as red-green color discrimination.
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.