Hepatitis C Medications Glossary of Terms

The following are health and medical definitions of terms that appear in the Hepatitis C Medications article.

Acetaminophen: A nonaspirin pain reliever or analgesic. Acetaminophen may be given alone t...

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Acute: Of abrupt onset, in reference to a disease. Acute often also connotes an illness th...

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Allergy: A misguided reaction to foreign substances by the immune system, the body system ...

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Alpha-1: Short for alpha-1 antitrypsin deficiency.

Analog: In biochemistry, a substance that is similar, but not identical, to another.

Anemia: The condition of having a lower-than-normal number of red blood cells or quantity ...

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Antiviral: An agent that kills a virus or that suppresses its ability to replicate and, he...

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Autoimmune: Pertaining to autoimmunity, a misdirected immune response that occurs when the...

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Autoimmune hepatitis: A disease in which the body's immune system attacks liver cells, cau...

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Bilirubin: A yellow-orange compound that is produced by the breakdown of hemoglobin from r...

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Birth control: Birth control is the use of any practices, methods, or devices to prevent p...

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Bone marrow: The soft blood-forming tissue that fills the cavities of bones and contains f...

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Cancer: An abnormal growth of cells which tend to proliferate in an uncontrolled way and, ...

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Cell: The basic structural and functional unit of any living thing. Each cell is a small c...

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Chronic: In medicine, lasting a long time. A chronic condition is one that lasts 3 months ...

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Cirrhosis: Liver disease characterized by irreversible scarring. Alcohol and viral hepatit...

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Cure: 1. To heal, to make well, to restore to good health. 2. A time withou...

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Depression: An illness that involves the body, mood, and thoughts and that affects the way...

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Diagnosis: 1 The nature of a disease; the identification of an illness. 2 A ...

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Diarrhea: A common condition that involves unusually frequent and liquid bowel movements. ...

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End stage: The last phase in the course of a progressive disease. As in end-stage liver di...

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ENGERIX-B: A vaccine against the hepatitis B virus. ENGERIX-B stimulates the body's immune...

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Enzyme: Proteins that speeds up the rate of a chemical reaction in a living organism. An e...

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Enzymes: Proteins that act as a catalysts in mediating and speeding a specific chemical re...

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Fatigue: A condition characterized by a lessened capacity for work and reduced efficiency ...

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FDA: Food and Drug Administration.

Fetus: An unborn offspring, from the embryo stage (the end of the eighth week after concep...

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Fever: Although a fever technically is any body temperature above the normal of 98.6 F (37...

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Flu: Flu is a colloquialism for influenza. The flu is an acute respiratory illness caused ...

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Genetic: Having to do with genes and genetic
information.

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Genotype: The genetic constitution (genome) of a cell, an individual, or an organism. The ...

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Havrix: A vaccine that is made from killed hepatitis A virus (HAV) and is intended to stim...

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HCV: Hepatitis C virus.

Headache: A pain in the head with the pain being above the eyes or the ears, behind the he...

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Heart: The muscle that pumps blood received from veins into arteries throughout the body. ...

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Heart attack: The death of heart muscle due to the loss of blood supply. The loss of bloo...

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Heart block: A blockage in the conduction of the normal electrical impulses in the heart. ...

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Heart disease: Any disorder that affects the heart. Sometimes the term "heart disease" is ...

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Hepatitis: Inflammation of the liver, irrespective of the cause. Hepatitis is caused by a ...

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Hepatitis A: Inflammation of the liver caused by the hepatitis A virus (HAV). HAV is usual...

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Hepatitis B: Inflammation of the liver due to the hepatitis B virus (HBV), once thought to...

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Hepatitis C: Inflammation of the liver due to the hepatitis C virus (HCV), which is usuall...

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Hepatitis C virus: A single-stranded RNA virus in the Flaviviridae family that causes hepa...

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HIV: Acronym for the Human Immunodeficiency Virus, the cause of AIDS (acquired immunodefi...

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Immune: Protected against infection, usually by the presence of antibodies.

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Immune system: A complex system that is responsible for distinguishing a person from every...

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Infection: The invasion and multiplication of microorganisms such as bacteria, viruses, an...

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Inflammation: A localized reaction that produces redness, warmth, swelling, and pain as a ...

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Insomnia: The perception or complaint of inadequate or poor-quality sleep due to a number ...

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Interferon: A naturally occurring substance that interferes with the ability of viruses t...

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Intron: Part of a gene that is initially transcribed into the primary RNA transcript but i...

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Itching: An uncomfortable sensation in the skin that feels as if something is crawling on ...

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Kidney: One of a pair of organs located in the right and left side of the abdomen. The kid...

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Liver: The largest solid organ in the body, situated in the upper part of the abdomen on t...

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Liver disease: Liver disease refers to any disorder of the liver. The liver is a large org...

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Liver failure: a condition that occurs when the liver is damaged and no longer able to fun...

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Liver transplant: Surgery to remove a diseased liver and replace it with a healthy liver (...

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Marrow: The bone marrow.

Mercaptopurine: A drug that acts as an antimetabolite, interfering with the metabolism of ...

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Multiple sclerosis: A disease that is characterized by loss of myelin (demyelinization). A...

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Muscle: Muscle is the tissue of the body which primarily functions as a source of power. T...

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Muscular: Having to do with the muscles. Also, endowed with above average muscle developme...

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Nausea: Stomach queasiness, the urge to vomit. Nausea can be brought on by many causes, in...

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Neutropenia: Not enough neutrophils, neutrophils being a type of white blood cell (specifi...

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Nucleotide: A subunit of DNA or RNA that consists of a nitrogenous base (A, G, T, or C in ...

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Pain: An unpleasant sensation that can range from mild, localized discomfort to agony. Pa...

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Pancreas: A spongy, tube-shaped organ that is about 6 inches long and is located in the ba...

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Piercing: Using a sharp instrument, usually a needle, to make a temporary or permanent ...

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Pregnancy: The state of carrying a developing embryo or fetus within the female body. Thi...

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Pregnant: The state of carrying a developing fetus within the body.

Protease: An enzyme that can split a protein into the peptides from which it was originall...

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Protein: One of the three nutrients used as energy sources (calories) by the body. Protein...

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Proteins: Large molecules composed of one or more chains of amino acids in a specific orde...

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Pruritus: Itching. Pruritus can result from drug reaction, food allergy, kidney or liver...

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Rash: Breaking out (eruption) of the skin. A rash can be caused by an underlying medical c...

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Recombinant: A person with a new combination of genes, a combination not present in either...

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Replication: A turning back, repetition, duplication, reproduction.

Resistance: Opposition to something, or the ability to withstand something. For example, s...

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RNA: Ribonucleic acid.

Sclerosis: Localized hardening of skin. Sclerosis is generally caused by underlying diseas...

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Shortness of breath: Difficulty in breathing. Medically referred to as dyspnea. Shortness ...

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Stage: As regards cancer, the extent of a cancer, especially whether the disease has spre...

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Surgery: The branch of medicine that employs operations in the treatment of disease or inj...

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Taste: A perception that results from stimulation of a gustatory nerve. Taste belongs to t...

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Tattoo: The permanent insertion of ink below the skin, using a sharp instrument. Humans ha...

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Therapy: The treatment of disease. Therapy is synonymous with treatment.

Thymosin: One of several polypeptide hormones secreted by the thymus that control the matu...

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Toxicity: The degree to which a substance (a toxin or poison) can harm humans or animals. ...

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Transplant: The grafting of a tissue from one place to another, just as in botany a bu...

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Tylenol: See: Acetaminophen.

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VAQTA: A vaccine against hepatitis A made of killed hepatitis A virus to stimulate the bod...

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Vertex: The top of the head. For example, in a vertex presentation at birth, the top of th...

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Viable: Capable of life. For example, a viable premature baby is one who is able to surviv...

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Viral: Of or pertaining to a virus. For example, if a person has a viral rash, the rash wa...

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Viral hepatitis: Liver inflammation caused by a virus. Specific hepatitis viruses have bee...

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Viral infection: Infection caused by the presence of a virus in the body. Depending on th...

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Virology: The study of viruses.

Virus: A microorganism that is smaller than a bacterium that cannot grow or reproduce apar...

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Viruses: Small living particles that can infect cells and change how the cells function. I...

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Weight loss: Weight loss is a decrease in body weight resulting from either voluntary (die...

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Medical Dictionary