septic fever

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Systemic disease caused by the spread of microorganisms and their toxins through circulating blood; formerly called "blood poisoning."
See also: pyemia, bacteremia.
[G. sēpsis, putrefaction, + haima, blood]

septic fever

an elevation of body temperature associated with infection by pathogenic microorganisms or in response to a toxin secreted by a microorganism.


(sep'ti-sē'mē-ă )
A systemic disease caused by multiplication of microorganisms in circulating blood; formerly called "blood poisoning."
See also: pyemia
Synonym(s): septic fever, septicaemia.
[G. sēpsis, putrefaction, + haima, blood]


1. an abnormally high body temperature; pyrexia. See also hyperthermia.
2. any disease characterized by marked increase of body temperature. See body temperature.
For diseases characterized by fever, see the eponymic or descriptive name: e.g. african swine, bovine petechial, canicola, cat-scratch disease, desert, ephemeral, equine intestinal ehrlichiosis, classical swine fever(hog cholera), malignant catarrhal fever, malta, mediterranean coast, q, rift valley, rocky mountain spotted, Russian spring-summer encephalitis, tickborne, tularemia, undulant. milk fever is not accompanied by pyrexia.

aseptic fever
fever associated with aseptic wounds, presumably due to the disintegration of leukocytes or to the absorption of avascular or traumatized tissue.
central fever
sustained fever resulting from damage to the thermoregulatory centers of the hypothalamus.
chemical fever
fever caused by the intake of a sterile substance, e.g. the injection of a foreign protein, the administration of dinitrophenols.
continued fever, continuous fever
persistently elevated body temperature, showing no or little variation and never falling to normal during any 24-hour period.
intermittent fever
an attack of fever, with recurring paroxysms of elevated temperature separated by intervals during which the temperature is normal.
remittent fever
elevated body temperature showing fluctuation each day, but never falling to normal.
septic fever
see septic fever.
Shar Pei fever
see familial renal amyloidosis.
fever of unknown origin (FUO)
a recognized clinical syndrome of persistently (>2 weeks) elevated body temperature (>104°F) and without other signs. Causes include infections, neoplasia, immune-mediated diseases, and drug reactions.


pertaining to sepsis.

septic fever
is fever associated with infection either as local abscess or cellulitis or as a septicemia or bacteremia. The infective agent may be a bacteria, virus, fungus, protozoa or even algae.
septic mastitis
mastitis characterized by the presence of bacteria in the milk.
septic shock
see toxemic shock.