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 Fifth Disease Main Article |  Glossary |  Fifth Disease Index 

Fifth Disease Glossary of Terms

The following are health and medical definitions of terms that appear in the Fifth Disease article.

Acetaminophen: A pain reliever and fever reducer. Brand name: Tylenol. The exact mechanism of action of acetaminophen is not known. Acetaminophen relieves pain by elevating the pain threshold (that is, by requiring a greater amount of pain to develop before it is felt by a person). Acetaminophen reduces fever through its action on the heat-regulating center (the "thermostat") of the brain. Generic is available.

Arthritis: Inflammation of a joint. When joints are inflamed they can develop stiffness, warmth, swelling, redness and pain. There are over 100 types of arthritis. (see osteoarthritis, rheumatoid arthritis, ankylosing spondylitis, psoriatic arthritis, lupus, gout, pseudogout).

Blood: The familiar red fluid in the body that contains white and red blood cells, platelets, proteins, and other elements. The blood is transported throughout the body by the circulatory system. Blood functions in two directions: arterial and venous. Arterial blood is the means by which oxygen and nutrients are transported to tissues while venous blood is the means by which carbon dioxide and metabolic by-products are transported to the lungs and kidneys, respectively, for removal from the body.

Cheek: The side of the face forming the side wall of the mouth.
See the entire definition of Cheek

Complication: In medicine, an additional problem that arises following a procedure, treatment or illness and is secondary to it. A complication complicates the situation.
See the entire definition of Complication

Disease: Illness or sickness often characterized by typical patient problems (symptoms) and physical findings (signs). Disruption sequence: The events that occur when a fetus that is developing normally is subjected to a destructive agent such as the rubella (German measles) virus.

Erythema: A redness of the skin resulting from inflammation, for example, as caused by sunburn.

Erythema infectiosum: A sometimes-used Latin name for fifth disease. See Fifth disease.

Fatigue: A condition characterized by a lessened capacity for work and reduced efficiency of accomplishment, usually accompanied by a feeling of weariness and tiredness. Fatigue can be acute and come on suddenly or chronic and persist.
See the entire definition of Fatigue

Fetus: The unborn offspring from the end of the 8th week after conception (when the major structures have formed) until birth. Up until the eighth week, the developing offspring is called an embryo.

Fever : Although a fever technically is any body temperature above the normal of 98.6 degrees F. (37 degrees C.), in practice a person is usually not considered to have a significant fever until the temperature is above 100.4 degrees F (38 degrees C.).
See the entire definition of Fever

Fifth disease : An oddly named disease caused by a virus called parvovirus B 19. (In the pre-vaccination era, fifth disease was frequently the "fifth disease" that a child contracted.) . Symptoms include low-grade fever , fatigue, a "slapped cheeks rash ," and a rash over the whole body.
See the entire definition of Fifth disease

Ibuprofen: A non-steroidal anti-inflammatory drug (NSAID) commonly used to treat pain, swelling, and fever. Common brand names for Ibuprofen include Advil, Motrin, and Nuprin.

Joint: A joint is the area where two bones are attached for the purpose of motion of body parts. A joint is usually formed of fibrous connective tissue and cartilage. An articulation or an arthrosis is the same as a joint.
See the entire definition of Joint

Malaise: A vague feeling of discomfort, one that cannot be pinned down but is often sensed as "just not right."
See the entire definition of Malaise back to top

Miscarriage: Inadvertent loss of a pregnancy before the fetus is viable. A considerable proportion of pregnancies end in a miscarriage. Also called a spontaneous abortion.

Mother: (1) The female parent. (2) To produce offspring as a female. To attribute the maternity of. (3) A cell or other structure from which similar cells or structures are formed. Accordingly, such a cell might be referred to as the mother cell.(4) To provide maternal protection, guidance, and nurturing to children.
See the entire definition of Mother

Naproxen : A non-steroidal anti-inflammatory drug (NSAID) used for the management of mild to moderate pain, fever, and inflammation . Naproxen blocks the enzyme cyclooxygenase that makes prostaglandins, resulting in lower concentrations of prostaglandins. As a consequence, inflammation, pain and fever are reduced. Brand names for naproxen include Anaprox, Naprelan, Naprosyn, and Aleve.
See the entire definition of Naproxen

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

Rash : Breaking out (eruption) of the skin. Medically, a rash is referred to as an exanthem.
See the entire definition of Rash

Red blood cells: The blood cells that carry oxygen. Red cells contain hemoglobin and it is the hemoglobin which permits them to transport oxygen (and carbon dioxide). Hemoglobin, aside from being a transport molecule, is a pigment. It gives the cells their red color (and their name).
See the entire definition of Red blood cells

Rest: 1. Repose. Relaxation.
2. A fragment of embryonic tissue that has been retained after the period of embryonic development. Also called an embryonic rest.

Sense: In biology and medicine, the faculty of sensory reception. The ability to convey specific types of external or internal stimuli to the brain and perceive them. Sensory reception occurs through a process known as transduction in which stimuli are converted into nerve impulses which are relayed to the brain.
See the entire definition of Sense

Slap cheek: See: Fifth disease

Viral: Of or pertaining to a virus. For example, "My daughter has a viral rash ."
See the entire definition of Viral

Virus: A microorganism smaller than a bacteria, which cannot grow or reproduce apart from a living cell. A virus invades living cells and uses their chemical machinery to keep itself alive and to replicate itself. It may reproduce with fidelity or with errors (mutations)-this ability to mutate is responsible for the ability of some viruses to change slightly in each infected person, making treatment more difficult.
See the entire definition of Virus back to top

 Fifth Disease Main Article |  Glossary |  Fifth Disease Index 




Suggested Reading by Our Doctors
MedicineNet Doctors
  • Roseola - Read about roseola (sixth disease) causes (virus), symptoms and signs (fever, rash) and treatment. Roseola infantum is a mildly contagious illness most common in childhood.
  • Measles - Learn measles (rubeola) causes, signs and symptoms (rash, fever, Koplik spots), transmission facts and disease prevention (measles, mumps and rubella vaccination).
  • Thrombocytopenia (Low Platelet Count) - Learn about thrombocytopenia, a decreased number of platelets in the blood. There are many causes of thrombocytopenia such as decreased platelet production, increased platelet destruction or consumption, or increased splenic sequestration.

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Fifth Disease

What is measles?

Measles is a highly contagious viral disease that can kill you. Although an uncommon disease in the United States of America, in 2006, measles killed 242,000 children worldwide. In most people, the disease produces fever (temperature > 101 F [38.3 C]), a generalized rash that last greater than three days, cough, runny nose (coryza), and red eyes (conjunctivitis). The complications of measles that result in most deaths include pneumonia and inflammation of the brain (encephalitis).

What is rubeola?

Rubeola is the scientific name used for measles. It should not be confused with rubella (German measles).

What is rubella?

Rubella is the scientific name used of German measles, a different viral illness. While German measles is rarely fatal, it is dangerous in that it causes birth defects and can cause miscarriage and fetal death.

What are other names fo...

Read the Measles article »










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