Tick fever

Tick fever
Also known as Rocky Mountain spotted fever, an acute febrile (feverish) disease initially recognized in the Rocky Mountain states, caused by Rickettsia rickettsii transmitted by hard-shelled (ixodid) ticks. Occurs only in the Western Hemisphere. Anyone frequenting tick-infested areas is at risk for RMSF. The onset of symptoms is abrupt with headache, high fever, chills, muscle pain. and then a rash .The rickettsiae grow within damaged cells lining blood vessels which may become blocked by clots. Blood vessel inflammation (vasculitis) is widespread. Early recognition of RMSF and prompt antibiotic treatment is important in reducing mortality. The first person to describe the disease was an ear, nose and throat specialist, Edward Ernest Maxey. Maxey reported the disease in 1899. Seven years later, a pathologist named Howard Taylor Ricketts showed that it was transmitted by a tick bite. The agent that causes the disease was named for him — Rickettsia rickettsii. Rocky Mountain spotted fever is also called spotted fever and tick typhus.

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tick fever n
2) a febrile disease (as Rocky Mountain spotted fever or relapsing fever) transmitted by the bites of ticks

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any infectious disease transmitted by ticks, especially Rocky Mountain spotted fever.

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tick-bite fever any infectious disease transmitted by the bite of a tick. The causative parasite may be a rickettsia, as in Rocky Mountain spotted fever and boutonneuse fever; a bacterium such as Anaplasma, Babesia, or Borrelia; or a virus, such as that of Colorado tick fever.

Medical dictionary. 2011.

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Look at other dictionaries:

  • Tick-Fever — Tick|fe|ver, (auch:) Tick Fe|ver [ tɪkfi:və], das; [engl. tick fever, aus: tick = Zecke u. fever = Fieber] (Med.): bes. in den USA auftretende, durch Zecken übertragene Infektionskrankheit …   Universal-Lexikon

  • tick fever — n. any infectious disease transmitted by the bite of a tick, as Rocky Mountain spotted fever …   English World dictionary

  • Tick-fever — (engl., spr. fīwer, »Zeckenfieber«), Rinderkrankheit, s. Piroplasmosen …   Meyers Großes Konversations-Lexikon

  • tick-fever — ● tick fever nom féminin (mot anglais) Synonyme de fièvre pourprée des montagnes Rocheuses …   Encyclopédie Universelle

  • tick fever — tick′ fe ver n. pat any infectious disease transmitted by ticks …   From formal English to slang

  • tick fever — noun any bacterial or rickettsial fever transmitted by the bite of a tick …   English new terms dictionary

  • tick fever — any fever transmitted by ticks, as Rocky Mountain spotted fever, which attacks humans, or Texas fever, which is confined to some animals, as cattle. [1895 1900] * * * …   Universalium

  • tick fever — noun caused by rickettsial bacteria and transmitted by wood ticks • Syn: ↑Rocky Mountain spotted fever, ↑mountain fever • Hypernyms: ↑spotted fever …   Useful english dictionary

  • tick fever — noun Date: circa 1897 1. Texas fever 2. a febrile disease (as Rocky Mountain spotted fever) transmitted by the bites of ticks …   New Collegiate Dictionary

  • tick fever — /ˈtɪk fivə/ (say tik feevuh) noun 1. any fever transmitted by ticks. 2. a cattle disease common in northern Australia caused mainly by Babesia argenta where the animal s urine is red coloured; redwater fever …  

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