A patient has been taking isoniazid [Nydrazid] for 4 months for latent tuberculosis. The
patient reports bilateral tingling and numbness of the hands and feet, as well as feeling
clumsy. The nurse expects the provider to:
a. discontinue the isoniazid.
b. lower the isoniazid dose and add rifampin.
c. order pyridoxine 100 mg per day.
d. recheck the tuberculin skin test to see whether it worsens.