The nurse is caring for a pregnant client who is taking isoniazid for the treatment of tuberculosis. The nurse knows that pregnant clients taking isoniazid therapy should also receive:
1. ethambutol (Myambutol).
2. pyrazinamide (PZA).
3. pyridoxine.
4. rifampin (Rifadin, Rimactane).
Correct Answer: 3
Rationale 1: Ethambutol is not indicated for the pregnant client.
Rationale 2: Pyrazinamide is not indicated for the pregnant client.
Rationale 3: Pregnant clients should also receive pyridoxine.
Rationale 4: Rifampin is not indicated for the pregnant client.
Global Rationale: Pregnant patients should receive isoniazid therapy supplemented with pyridoxine (vitamin B6), which has been shown to prevent peripheral neuropathy. The other drugs are not indicated.
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