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Are There Differences Between H2 Blockers?

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Updated April 24, 2008

Question: Are There Differences Between H2 Blockers?
Answer:

There are differences in potency. Over-the-counter formulations are the least potent doses. Among the prescription forms, Pepcid (famotidine) is the most potent H2 blocker. The main differences between H2 blockers lie in the interaction each has with other medications a patient may be taking. It's important to read up on these interactions before taking an H2 blocker and mention any other medications you are taking to your doctor.

The different types of H2 blockers are:

For more information on these medications, and others, please go to Drugs A to Z

Sources:

"Effectiveness of Therapies for GERD" American College of Gastroenterology. 22 Apr 2008

Kenneth R. DeVault M.D., F.A.C.G., and Donald O. Castell M.D., M.A.C.G., "Updated Guidelines for the Diagnosis and Treatment of Gastroesophageal Reflux Disease." doi: 10.1111/j.1572-0241.2005.41217.x. American College of Gastroenterology. 22 Apr 2008

"Pharmacodynamic Aspects of Hz-Blockers versus proton Pump Inhibitors." U.S. Food and Drug Administration. 22 Apr 2008

"Understanding Some of the Medications Often Prescribed for GERD & Ulcers." Common GI Problems: Volume 1. American College of Gastroenterology. 22 Apr 2008

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