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Isoniazid — NCLEX Cheat Sheet

TB drug → give B6, watch liver
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👤 By the CinnaRN Clinical Content Team 🕐 Updated 2026-07-11 🏷️ Pharmacological Therapies 🔖 Free to read, print, and share
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Use this quick-reference guide to spot, treat, and prevent Isoniazid on the NCLEX. Keep it handy during review and on exam day!

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Use

Key facts
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Toxic

Key facts
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Do

Nursing actions
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Report

Notify / act now
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Quick Tip

Isoniazid is bactericidal against Mycobacterium tuberculosis and is a cornerstone of TB therapy.

📖 Related Topics

Digoxin ToxicityHeparin TherapyWarfarin TherapyAcetaminophen Poisoning in Children
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