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H2 Receptor Blockers — NCLEX Cheat Sheet

-tidine → ↓ acid, weaker than PPI

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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 H2 Receptor Blockers on the NCLEX. Keep it handy during review and on exam day!

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Key facts

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Nursing actions

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What to look for

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Notify / act now

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Decrease acid secretion by blocking the histamine pathway, providing partial acid suppression.

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