Cold Sores Glossary of Terms

The following are health and medical definitions of terms that appear in the Cold Sores article.

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

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Acquired: Not inherited, or present at birth (congenital), but developing after birth. For...

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Acyclovir: (Brand name: Zovirax) One of a group of antiviral drugs that acts against the...

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Amino acid: One of the20 building blocks from which proteins are assembled. Isoleucine, le...

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

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Blindness: Loss of useful sight. Blindness can be temporary or permanent. Damage to any p...

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Blister: A collection of fluid underneath the top layer of skin (epidermis). There are man...

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Brain: The portion of the central nervous system that is located within the skull. It func...

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Chemotherapy: 1. In the original sense, a chemical that binds to and specifically k...

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Cold sore: A small sore located on the face or in the mouth that causes pain, burning, or ...

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Complication: In medicine, an unanticipated problem that arises following, and is a result...

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Contagious: capable of being transmitted from one human to another human via direct or ind...

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

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Dehydration: Excessive loss of body water. Diseases of the gastrointestinal tract that cau...

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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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DNA: Deoxyribonucleic acid. One of two types of molecules that encode genetic information...

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Erythema: Redness of the skin that results from capillary congestion. Erythema can occur w...

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Erythema nodosum: An inflammatory reaction that occurs deep in the skin and is characteriz...

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FDA: Food and Drug Administration.

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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Food and Drug Administration: An agency within the US Public Health Service that provides ...

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Ganglion: The celebrated 2nd century Greek physician Galen ((c. 130-201 A.D.) who lived a...

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Genital: Pertaining to the external and/or internal organs of reproduction.

Genital herpes: An infection by human herpes virus that is transmitted through intimate co...

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

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Herpes: A family of viruses. Herpes also refers to infection with one of the human herpesv...

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Ibuprofen: A nonsteroidal anti-inflammatory drug (NSAID) that is commonly used to treat pa...

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

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Laboratory: A place for doing tests and research procedures, and for preparing chemicals a...

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Lesion: An area of abnormal tissue change. Lesions vary in severity from harmless to serio...

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Lips: Aside from the lips of the mouth, there are two pairs of lips at the entrance to the...

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Lysine: An amino acid, one of the 20 building blocks of protein. A dietary essential amino...

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Menstruation: The periodic blood that flows as a discharge from the uterus. Also called me...

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Mouth: 1. The upper opening of the digestive tract, beginning with the lips and con...

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Nail: In medicine, there are two types of nails. One is just a plain old metal nail used t...

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

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Nerve: A bundle of fibers that uses electrical and chemical signals to transmit sensory an...

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Nose: The external midline projection from the face. The purpose of the nose is to warm, c...

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Nursing: 1) Profession concerned with the provision of services essential to the maintena...

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Ocular: Having to do with the eye.

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Onset: In medicine, the first appearance of the signs or symptoms of an illness as, for ex...

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

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

Prescription: A physician's order for the preparation and administration of a drug or dev...

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Prognosis: The forecast of the probable outcome or course of a disease; the patient's chan...

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Radiation: 1. Rays of energy. Gamma rays and X-rays are two of the types of energy ...

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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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Recur: To occur again; to return. For example, a symptom, sign, or disease can recur.

Recurrence: The return of a sign, symptom, or disease after a remission. The reappearance ...

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Recurrent: Appearing or occurring again. For example, a recurrent fever is a fever that ha...

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Remedy: Something that consistently helps treat or cure a disease.

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

Saliva: a watery secretion in the mouth produced by the salivary glands that aids in the d...

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Sensation: In medicine and physiology, sensation refers to the registration of an incoming...

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Sore: 1. (adjective) A popular term for painful, such as a sore throat. 2. (...

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

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Stress: In a medical or biological context stress is a physical, mental, or emotional fact...

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Sunburn: Sunburn is an inflammation of the skin that develops in response to exposure to u...

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Sunscreen: A substance that blocks the effect of the sun's harmful rays. Using lotions tha...

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Symptom: Any subjective evidence of disease. In contrast, a sign is objective. Blood comin...

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Symptomatic: 1 With symptoms, as a symptomatic infection. 2 Characteristic o...

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Topical: Pertaining to a particular surface area. For example, a topical agent is applied ...

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Trauma: A physical or emotional injury.

Tylenol: See: Acetaminophen.

Ultraviolet radiation: Invisible rays that are part of the energy that comes from the su...

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

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Vitamin E: Alpha-tocopherol, an antioxidant vitamin which binds oxygen free radicals that ...

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Zovirax: Brand name of Acyclovir.

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