Author Question: Why is ethambutol always used in combination with other antitubercular drugs? a. Its presence ... (Read 77 times)

stevenposner · **on:** Jul 23, 2018

Why is ethambutol always used in combination with other antitubercular drugs?

a. Its presence enhances or potentiates the other first-line antitubercular drugs.
b. Its side effects are more serious when taken alone.
c. It is only bacteriostatic and not bactericidal.
d. It is not a first-line antitubercular drug.

Question 2

A patient with active tuberculosis who has been taking isoniazid (INH, Nydrazid) and rifampin (RIF, Rifadin) reports having urine that is an orange color. What your best action?

a. Obtain a specimen for culture and test the urine for occult blood.
b. Reassure the patient that this is a normal drug side effect.
c. Hold the dose and contact the prescriber.
d. Document the report as the only action.