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NexiumResearch DefinitionsGlossarySome words have many meanings. A term will refer the reader to another definition only when the second definition gives additional information about a topic that is directly related to the first term. All Definitions A - Z H Heartburn Pronounced - HART-burn A painful, burning feeling in the chest. Heartburn is caused by stomach acid flowing back into the esophagus. Changing the diet and other habits can help to prevent heartburn. Heartburn may be a symptom of GERD. See also Gastroesophageal Reflux Disease (GERD). Gastroesophageal Reflux Disease (GERD) Helicobacter pylori (H. pylori) Pronounced - HELL-uh-koh-BAK-tur py-LOH-ree A spiral shaped bacterium found in the stomach. H. pylori damages stomach and duodenal tissue, causing ulcers. Previously called Campylobacter pylori. Hemoglobin The oxygen carrying pigment and predominant protein in the red blood cells. Hemoglobin forms an unstable, reversible bond with oxygen. In its oxygenated state it is called oxyhemoglobin and is bright red. In the reduced state it is called deoxyhemoglobin and is purple blue. Hemorrhoid Pronounced - HEM-royd Swollen blood vessels in and around the anus and lower rectum. Continual straining to have a bowel movement causes them to stretch and swell. They cause itching, pain, and sometimes bleeding. More about Constipation and Hemorrhoids 
Hepatitis Pronounced - heh-puh-TY-tis Irritation of the liver that sometimes causes permanent damage. Hepatitis may be caused by viruses or by medicines or alcohol. Hepatitis has the following forms:
Pronounced - HUR-nee-uh Hernia: The part of an internal organ that pushes through an opening in the organ's wall. Most hernias occur in the abdominal area. Hiatal Hernia (Hiatus Hernia) Pronounced - hy-AY-tul HUR-nee-uh A small opening in the diaphragm that allows the upper part of the stomach to move up into the chest. Causes heartburn from stomach acid flowing back up through the opening. 
Human Leukocyte Antigen (HLA) Antigens, tolerated by the body, that correspond to genes that govern immune responses. Also known as major histocompatibility complex. Hydrochloric Acid (HCl) Pronounced - hy-droh-KLOR-ik ASS-id An acid made in the stomach. Hydrochloric acid works with pepsin and other enzymes to break down proteins. Hydrogen Peroxide A chemical used in bleaches, dyes, cleansers, antiseptics, and disinfectants. In a concentrated form, it is toxic and irritating to tissues. Hyperbilirubinemia Pronounced - HY-pur-bil-ee-roo-buh-NEE-mee-uh Hyperbilirubinemia is too much bilirubin in the blood. Symptoms include jaundice. This condition occurs when the liver does not work normally. Hypercalcemia Pronounced - HY-per-kal-SEE-mee-uh Abnormally high amount of calcium in the blood. Hyperthyroidism (overactive thyroid) Pronounced - HY-per-THY-ROY-dih-zum When too much thyroid hormone is made, it is called overactive thyroid or hyperthyroidism. Symptoms include weight loss, chest pain, cramps, diarrhea, and nervousness. Hypopharynx The laryngeal part of the pharynx extending from the hyoid bone to the lower margin of the cricoid cartilage. Hypothyroidism (underactive thyroid) Pronounced - HY-poh-THY-ROY-dih-zum When not enough thyroid hormone is made, it is called underactive thyroid or hypothyroidism. Symptoms include weight gain, constipation, dry skin, and sensitivity to the cold. Back To Top |
Aciphex - Rabeprazole Prevacid - Lansoprazole Prilosec - Omeprazole Prilosec OCT Protonix - Pantoprazole
Causes of GERD Diet for GERD Infant GERD Children 1 - 11 Years Old Medication for GERD Symptoms of GERD GERD Surgery GERD Treatment
Causes of Heartburn Symptoms of Heartburn Heartburn Medications Heartburn Remedy
Lump In Throat Proton Pump Inhibitors Remedies for GERD
Hair Removal HGH |
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