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How do H2 blockers work to treat heartburn?

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H2 blockers help relieve and prevent occasional heartburn by lowering the amount of acid your stomach makes. Though they don’t work as fast as antacids, their effects last longer. Your doctor may tell you to take an antacid and an H2 blocker together. H2 blockers are for short-term use -- less than two weeks. You can take them before your meals to prevent heartburn, or at bedtime. They come in liquids and pills.

From: Heartburn Relief Tips WebMD Medical Reference

SOURCES:

AHRQ: “Treatment Options for GERD or Acid Reflux Disease: A Review of the Research for Adults.”

American Academy of Family Physicians: “Heartburn.”

American College of Gastroenterology: “Acid Reflux.”

American Gastroenterological Association: “Understanding Heartburn and Reflux Disease.”

American Society for Gastrointestinal Endoscopy: “Understanding Gastroesophageal Reflux Disease.”

American Society of Health-System Pharmacists: “Cimetidine.”

Brahm, N. , April 2011. The Consultant Pharmacist

Cleveland Clinic: “GERD and Asthma.”

FDA: “Possible Increased Risk of Bone Fractures with Certain Antacid Drugs.”

Hye-kyung J. , January 2010. Journal of Neurogastroenterol Motility

International Foundation for Functional Gastrointestinal Disorders: “Exercise & GI Symptoms.”

Katz, P. , 2013. American Journal of Gastroenterology

NHLBI: “What are the symptoms of a heart attack?”

NIDDK: “Gastroesophageal Reflux (GER) and Gastroesophageal Reflux Disease (GERD) in Adults.”

Thompson, W. International Foundation for Functional Gastrointestinal Disorders.

Reviewed by James Beckerman on May 2, 2019

SOURCES:

AHRQ: “Treatment Options for GERD or Acid Reflux Disease: A Review of the Research for Adults.”

American Academy of Family Physicians: “Heartburn.”

American College of Gastroenterology: “Acid Reflux.”

American Gastroenterological Association: “Understanding Heartburn and Reflux Disease.”

American Society for Gastrointestinal Endoscopy: “Understanding Gastroesophageal Reflux Disease.”

American Society of Health-System Pharmacists: “Cimetidine.”

Brahm, N. , April 2011. The Consultant Pharmacist

Cleveland Clinic: “GERD and Asthma.”

FDA: “Possible Increased Risk of Bone Fractures with Certain Antacid Drugs.”

Hye-kyung J. , January 2010. Journal of Neurogastroenterol Motility

International Foundation for Functional Gastrointestinal Disorders: “Exercise & GI Symptoms.”

Katz, P. , 2013. American Journal of Gastroenterology

NHLBI: “What are the symptoms of a heart attack?”

NIDDK: “Gastroesophageal Reflux (GER) and Gastroesophageal Reflux Disease (GERD) in Adults.”

Thompson, W. International Foundation for Functional Gastrointestinal Disorders.

Reviewed by James Beckerman on May 2, 2019

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What drugs can interfere with H2 blockers for heartburn?

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