fever /fe·ver/ (fe´ver)
Colorado tick fever,
Colorado tick fever
1. pyrexia; elevation of body temperature above the normal (37°C).
2. any disease characterized by elevation of body temperature.
blackwater fever a dangerous complication of falciparum malaria, with passage of dark red to black urine, severe toxicity, and high mortality.
boutonneuse fever a tickborne disease endemic in the Mediterranean area, Crimea, Africa, and India, due to infection with Rickettsia conorii, with chills, fever, primary skin lesion (tache noire), and rash appearing on the second to fourth day.
cat-scratch fever see under disease.
central fever sustained fever resulting from damage to the thermoregulatory centers of the hypothalamus.
childbed fever puerperal septicemia.
Colorado tick fever a tickborne, nonexanthematous, febrile, viral disease caused by an arenavirus and seen in the Rocky Mountain area of the United States.
continued fever one that varies only slightly in 24 hours.
Crimean-Congo hemorrhagic fever a hemorrhagic fever caused by the Crimean-Congo hemorrhagic fever virus, transmitted by ticks and by contact with blood, secretions, or fluids from infected animals or humans; it occurs in the Crimea, Central Asia, and regions of Africa.
drug fever febrile reaction to a therapeutic agent, such as a vaccine, antineoplastic, or antibiotic.
elephantoid fever a recurrent acute febrile condition occurring with filariasis; it may be associated with elephantiasis or lymphangitis.
enteric fever any of a group of febrile illnesses associated with enteric symptoms caused by salmonellae, especially typhoid fever and paratyphoid fever.
epidemic hemorrhagic fever an acute infectious disease characterized by fever, purpura, peripheral vascular collapse, and acute renal failure, caused by viruses of the genus Hantavirus, thought to be transmitted to humans by contact with saliva and excreta of infected rodents.
familial Mediterranean fever a hereditary disease usually seen in Armenians and Sephardic Jews, with short recurrent attacks of fever, pain in the abdomen, chest, or joints, and erythema like that of erysipelas; it may be complicated by amyloidosis.
Haverhill fever the bacillary form of rat-bite fever, due to Streptobacillus moniliformis, and transmitted through contaminated raw milk and its products.
hay fever a seasonal form of allergic rhinitis, with acute conjunctivitis, lacrimation, itching, swelling of the nasal mucosa, nasal catarrh, and attacks of sneezing, an anaphylactic or allergic reaction excited by a specific allergen (such as pollen).
hemorrhagic fevers a group of diverse, severe viral infections seen around the world but mainly in the tropics, usually transmitted to humans by arthropod bites or contact with virus-infected rodents; they all have certain common features, including fever, hemorrhagic manifestations, thrombocytopenia, shock, and neurologic disturbances.
humidifier fever malaise, fever, cough, and myalgia caused by inhalation of air that has been passed through humidifiers, dehumidifiers, or air conditioners contaminated by fungi, amebas, or thermophilic actinomycetes.
intermittent fever an attack of malaria or other fever, with recurring fever episodes separated by times of normal temperature.
Katayama fever fever associated with severe schistosomal infections, accompanied by hepatosplenomegaly and by eosinophilia.
Lassa fever a highly fatal, acute, febrile disease seen in West Africa, caused by a virulent arenavirus and characterized by increasing prostration, sore throat, ulcerations of the mouth or throat, rash, and general aching.
metal fume fever a disease of welders and others working with volatilized metals, marked by sudden thirst, metallic taste in the mouth, high fever with chills, sweating, and leukocytosis.
mud fever a type of leptospirosis seen in workers in flooded fields and swamps in Germany and Russia.
nonseasonal hay fever , hay fever, perennial nonseasonal allergic rhinitis.
Oroya fever see Carrión's disease.
paratyphoid fever paratyphoid.
parenteric fever a disease clinically resembling typhoid fever and paratyphoid, but not caused by Salmonella.
parrot fever psittacosis.
pharyngoconjunctival fever an epidemic disease due to an adenovirus, seen mainly in school children, with fever, pharyngitis, conjunctivitis, rhinitis, and enlarged cervical lymph nodes.
phlebotomus fever a febrile viral disease of short duration, transmitted by the sandfly Phlebotomus papatasi, with dengue-like symptoms, seen in Mediterranean and Middle Eastern countries.
Pontiac fever a self-limited disease marked by fever, cough, muscle aches, chills, headache, chest pain, confusion, and pleuritis, caused by a strain of Legionella pneumophila.
pretibial fever an infection due to a serovar of Leptospira interrogans, marked by a rash on the pretibial region, with lumbar and postorbital pain, malaise, coryza, and fever.
puerperal fever septicemia accompanied by fever, in which the focus of infection is a lesion of the mucous membrane of the parturient canal due to trauma during childbirth; usually due to a streptococcus.
Q fever a febrile rickettsial infection, usually respiratory, first described in Australia, caused by Coxiella burnetii.
rat-bite fever either of two clinically similar acute infectious diseases, usually transmitted through a rat bite, one form (bacillary) of which is caused by Streptobacillus moniliformis and the other form (spirillary) by Spirillum minor.
recurrent fever
1. relapsing f.
2. recurrent paroxysmal fever occurring in various diseases, such as malaria.
relapsing fever any of a group of infectious diseases due to various species of Borrelia, marked by alternating periods of fever and apyrexia, each lasting from five to seven days.
remittent fever one that shows significant variations in 24 hours but without return to normal temperature.
rheumatic fever a febrile disease occurring as a sequela to Group A hemolytic streptococcal infections, characterized by multiple focal inflammatory lesions of connective tissue structures, especially of the heart, blood vessels, and joints, and by Aschoff bodies in the myocardium and skin.
Rift Valley fever a zoonotic febrile disease with dengue-like symptoms, due to an arbovirus, transmitted to humans by mosquitoes or by contact with diseased animals; first observed in the Rift Valley, Kenya.
Rocky Mountain spotted fever infection with Rickettsia rickettsii, transmitted by ticks, marked by fever, muscle pain, and weakness followed by a macular petechial eruption that begins on the hands and feet and spreads to the trunk and face, with other symptoms in the central nervous system and elsewhere.
rose fever a form of hay fever caused by grass pollens released while roses or other flowers are blooming.
scarlet fever an acute disease caused by Group A β-hemolytic streptococci, marked by pharyngotonsillitis and a skin rash caused by an erythrogenic toxin produced by the organism; the rash is a diffuse, bright red erythema, and desquamation of the skin begins as fine scaling with eventual peeling of the palms and soles.
Sennetsu fever a febrile disease seen in Japan and Malaysia and caused by Ehrlichia sennetsu, characterized by headache, nausea, lymphocytosis, and lymphadenopathy.
septic fever fever due to septicemia.
South African tickbite fever boutonneuse f.
trench fever a louse-borne rickettsial disease due to Bartonella quintana, transmitted by the body louse, Pediculus humanus corporis, and characterized by intermittent fever, generalized aches and pains, particularly severe in the shins, chills, sweating, vertigo, malaise, typhus-like rash, and multiple relapses.
typhoid fever infection by Salmonella typhi chiefly involving the lymphoid follicles of the ileum, with chills, fever, headache, cough, prostration, abdominal distention, splenomegaly, and a maculopapular rash; perforation of the bowel may occur in untreated cases.
fever of unknown origin (FUO) a febrile illness of at least three weeks' duration (some authorities permit a shorter duration), with a temperature of at least 38.3°C on at least three occasions and failure to establish a diagnosis in spite of intensive inpatient or outpatient evaluation (three outpatient visits or three days' hospitalization).
West Nile fever see under encephalitis.
yellow fever an acute, infectious, mosquito-borne viral disease, endemic primarily in tropical South America and Africa, marked by fever, jaundice due to necrosis of the liver, and albuminuria.
Col·o·ra·do tick fever (k l  -r d  , -räd)n. A viral infection transmitted to humans by the tick Dermacentor andersoni and characterized by mild symptoms and intermittent fever. |
Colorado tick fever,
a relatively mild, self-limited arbovirus infection transmitted to humans by the bite of the wood tick Dermacentor andersoni. It is endemic in the mountainous regions above 5000 feet in the western United States and Canada and is most prevalent in the spring and summer months. The virus has been isolated from D. andersoni ticks in Alberta and British Columbia. It occurs most frequently in those with recreational or occupational exposure (hiking or fishing) in enzootic loci. Symptoms, which appear 3 to 6 days after the tick bite, occur in two phases separated by a period of remission and include chills, fever, and headache; pain in the eyes, legs, and back; and sensitivity to light. Treatment is supportive; analgesics can be given for headache and other pains. Also called American mountain fever, mountain fever, mountain tick fever. Compare Rocky Mountain spotted fever.
Colorado tick fever
a disease of humans caused by Coltivirus, transmitted from small mammals by the tick, Dermacentor andersoni.
Colorado tick fever
American mountain fever, mountain fever, mountain tick fever Infectious disease A rare acute tick-borne–vector, Dermacentor andersoni RNA orbiviral infection occurring in the early spring in the Rocky
Mountains Clinical 3 to 6 day incubation, then chills, sweats, joint pain, biphasic–'saddleback' fever, myalgias of the back and legs, headache, retro-orbital pain, photophobia, malaise, N&V, rash, weakness Management Tick
removal, acetaminophen for fever Prognosis Excellent; self-limited with little residua
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