Axid, Pepcid, Tagamet, and Zantac are used to control stomach acid and treat active duodenal ulcers. Which pharmacologic class do they belong to?

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Study for the Pharmacology Drug Classifications Test with multiple choice questions and comprehensive explanations. Enhance your knowledge effectively and ace your exam!

Multiple Choice

Axid, Pepcid, Tagamet, and Zantac are used to control stomach acid and treat active duodenal ulcers. Which pharmacologic class do they belong to?

Explanation:
The main concept here is how these drugs reduce stomach acid to treat ulcers. Axid, Pepcid, Tagamet, and Zantac are all H2 receptor antagonists, a class of medications that blunt acid production by blocking histamine H2 receptors on gastric parietal cells. By inhibiting this receptor, they lower cyclic AMP signaling and decrease gastric acid secretion, which helps promote healing of active duodenal ulcers and controls excess acid. They are not antibiotics or cancer drugs, and they don’t work as mood-stabilizers, so the antiulcer class is the correct fit.

The main concept here is how these drugs reduce stomach acid to treat ulcers. Axid, Pepcid, Tagamet, and Zantac are all H2 receptor antagonists, a class of medications that blunt acid production by blocking histamine H2 receptors on gastric parietal cells. By inhibiting this receptor, they lower cyclic AMP signaling and decrease gastric acid secretion, which helps promote healing of active duodenal ulcers and controls excess acid. They are not antibiotics or cancer drugs, and they don’t work as mood-stabilizers, so the antiulcer class is the correct fit.

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