The Nurse Develops a Teaching Plan for a Client Prescribed

The nurse develops a teaching plan for a client prescribed isoniazid, rifampin, ethambutol, and pyrazinamide to treat active tuberculosis (TB) .  Which of the following instructions associated with the adverse effects of rifampin is most important for the nurse to include?

A) Notify the health care provider if your urine is red
B) Take acetaminophen every 6 hours for drug-associated joint pain while taking this medication
C) Wear eyeglasses instead of soft contact lenses while taking this medication
D) You can stop taking the medications as soon as one sputum culture comes back normal