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Pyrexia is the medical term for fever, in which the human body temperature rises above the average normal (37 degrees Celsius or 98.6 degrees Fahrenheit). Fever happens when the body's immune system responds to foreign invaders, such as bacteria, toxins, fungi, viruses, and even drugs.
A complex physiologic response to disease mediated by pyrogenic cytokines and characterized by a significant rise in core temperature, generation of acute phase reactants, and activation of immunologic systems. Synonym (s): pyrexia. [A.S. fefer] Medical Dictionary for the Health Professions and Nursing © Farlex 2012.
Oct 24, 2021 · Pyrexia, often known as fever, is a condition in which a person’s body temperature rises above the normal range. Even though an increase in body temperature can be a cause of concern, Pyrexia is a normal defense mechanism used by the human body to combat diseases.
Jul 7, 2023 · Hyperpyrexia is a condition where the body temperature goes above 106.7 degrees Fahrenheit (41.5 degrees Celsius) due to changes in the hypothalamus — the organ in the brain that regulates...
Nov 21, 2023 · The term pyrexia means to have an increased body temperature above normal body temperature. The word originated in mid 18th century Greece from the word purexis or 'to be...
Oct 16, 2023 · Also known as fever, pyrexia is the medical term for an elevated body temperature above the normal range, which is typically around 98.6°F (37°C). This increase in temperature is the body's response to various external factors.
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May 6, 2024 · Pyrexia, also known as fever, is an increase in the body temperature of an individual beyond the normal range. This increase in temperature is usually considered dangerous, but it is a natural defensive mechanism of the body to fight against infections. Pyrexia is usually associated with other symptoms such as lethargy, headache, cough, and cold.
