An older adult with diabetes and chronic renal failure is starting an isoniazid-containing tuberculosis regimen. Which prescription should the nurse expect to reduce a predictable neurologic adverse effect?

• 1 Vitamin K to prevent ototoxicity.
• 2 Calcium carbonate to prevent optic neuritis.
• 3 Folic acid to prevent red-man syndrome.
• 4 Pyridoxine to reduce the risk of peripheral neuropathy. ✓ Correct answer

For study reference only. Always follow current clinical guidelines and your institution’s protocols.