Im confused by all of the advertisements for medicines like Axid, Pepcid, Tagamet, and Zantac. How do I know which one to choose?
These drugs are all classified as Histamine-2 (H-2) receptor antagonists or blockers. Histamine increases stomach acid secretion by binding to and stimulating H-2 receptors. Blocking H-2 receptors with these decreases stomach acid. Although these drugs share some common features, they do have differences. For example, some work faster while others last longer. You may be able to choose a product by matching your symptoms to the drugs recommended use.
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