An acute mosquito-borne viral illness of sudden onset that usually follows a benign course with headache, fever, prostration, severe joint and muscle pain, swollen glands (lymphadenopathy) and rash. The presence (the "dengue triad") of fever, rash, and headache (and other pains) is particularly characteristic. Better known as dengue, the [..]

An infection caused by the Bartonella henslae bacteria. Almost half of all domestic cats carry these bacteria and can transmit it to humans through a scratch or bite. Cat scratch fever causes swelling of the lymph nodes, sore throat, fatigue, fever, chills, sweats, vomiting, loss of appetite, and weight loss. There is usually a little bump (a papul [..]

See: Chikungunya.

An acute mosquito- borne viral illness of sudden onset that usually follows a benign course with headache, fever, prostration, severe joint and muscle pain, swollen glands (lymphadenopathy) and rash. The presence (the "dengue triad") of fever, rash, and headache (and other pains) is particularly characteristic. Better known as dengue, the [..]

An acute mosquito-borne viral illness of sudden onset with headache, fever, prostration, severe joint and muscle pain, swollen glands (lymphadenopathy), and rash. The presence of fever, rash, and headache (the 'dengue triad') is characteristic. Dengue fever is endemic throughout the tropics and subtropics. Also called breakbone fever, dan [..]

A syndrome due to the dengue virus that tends to affect children under 10, causing abdominal pain, hemorrhage (bleeding) and circulatory collapse (shock). DHF starts abruptly with high continuous fever and headache plus respiratory and intestinal symptoms with sore throat, cough, nausea, vomiting, and abdominal pain. Shock occurs after 2 to 6 days [..]

Also called kala-azar, a chronic, potentially fatal parasitic disease of the viscera (the internal organs) due to infection by an agent called Leishmania donovani. Leishmania donovani is transmitted by sandfly bites in parts of Asia (primarily India), Africa (primarily Sudan) and South America (primarily Brazil) where all together there are an esti [..]

See Ebola virus.

An inherited disorder featuring short recurring crises of severe abdominal pain and bouts of fever. Other symptoms include arthritis, chest pain from inflammation of the lung cavity, and skin rashes. Between attacks, the patient seems healthy. Amyloidosis (the abnormal deposition of a particular protein, called amyloid, in various tissues of the bo [..]

A number of diseases characterized by an abrupt onset of high fever and chills, headache, cold and cough, and pain in the muscles, joints and abdomen with nausea and vomiting followed by bleeding into the kidney and elsewhere. Known also as hemorrhagic fever with renal syndrome. Many arboviruses (including those in the families Togaviridae, Flavivi [..]

See: Typhus, epidemic.

An acute viral infection found in the tropics, especially in West Africa. Lassa fever is caused by a single-stranded RNA virus that is animal borne (zoonotic). Lassa fever can cause a potentially fatal illness, is highly contagious, and can rapidly spread. The reservoir, or host, of the Lassa virus is a rodent known as the 'multimammate rat.&# [..]

A inherited disorder of unknown cause featuring short recurring bouts of fever together with pain in the joints, chest or abdomen. Also called Familial Mediterranean Fever (FMF). Between attacks, the patient seems healthy (when FMF is more difficult to diagnose). The gene for FMF (autosomal recessive, on chromosome 16) was reportedly identified in [..]

Named for the Meuse River area, one of the great battlegrounds of World War I. Also known as trench fever. Meuse or trench fever is a disease borne by body lice that was first recognized in the trenches of World War I, when it is estimated to have affected more than a million people in Russia and on the fronts in Europe. Trench fever was again a ma [..]

See: Pontiac fever.

An infectious disease due to the bacterium Coxiella burnetii whose symptoms include fever, headache, malaise, and pneumonia (interstitial pneumonitis), but not rash. The Q stands for query because the cause of the disease was long a question mark. Q fever is a zoonotic disease and is contracted from cattle, sheep, and goats. Chronic Q fever (infect [..]

Quintan means recurring every 5 days, the characteristic duration of trench fever. Quintan or trench fever is a disease borne by body lice that was first recognized in the trenches of World War I, when it is estimated to have affected more than a million people in Russia and on the fronts in Europe. Trench fever was again a major problem in the mil [..]

See: Relapsing fever.

A type of fever that gradually decreases in intensity over time.

An illness that occurs following a streptococcus infection (such as a "strep throat") or scarlet fever and predominantly affects children. Symptoms include fever, pain in the joints, nausea, stomach cramps, and vomiting. Rheumatic fever can cause long-lasting effects in the skin, joints, heart, and brain. Rheumatic fever may be fo [..]

See: Rift Valley 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 skin condition that is due to a streptococcal sore throat or any other streptococcal infection. The group A streptococcal bacteria produce a toxin that causes a scarlet rash that initially appears on the neck and chest, then spreads over the body, and lasts around 3 days. As the rash fades, desquamation (peeling) may occur around the fingertips, [..]

Called shin bone fever because it characteristically causes fever and pain in the legs, this disease is also known as trench fever. It is a disease borne by body lice that was first recognized in the trenches of World War I, when it is estimated to have affected more than a million people in Russia and on the fronts in Europe. Trench fever was agai [..]

Known also as anthrax, splenic fever is a serious bacterial infection. It is not primarily a human disease but rather an infection of animals. Cattle, sheep, horses, mules, and some wild animals are highly susceptible. Humans (and swine) are generally resistant to anthrax. Anthrax can take different forms. With the lung form of the disease. People [..]

A syndrome due to the dengue virus that tends to affect children under 10, causing abdominal pain, hemorrhage (bleeding) and circulatory collapse (shock). Known also as dengue hemorrhagic fever (DHF), it starts abruptly with high continuous fever and headache plus respiratory and intestinal symptoms with sore throat, cough, nausea, vomiting, and ab [..]

See: Rocky Mountain spotted fever.

See: Typhoid fever.

See: Typhus.

An infectious disease due to the bacteria Brucella that characteristically causes rising and falling fevers, sweats, malaise, weakness, anorexia, headache, myalgia (muscle pain) and back pain. The disease is called undulant fever because the fever is typically undulant, rising and falling like a wave. It is also called brucellosis after its bacteri [..]

A disease also called coccidioidomycosis (CM) due to a fungus called Coccidioides immitis. About 40% of people infected with this fungus develop symptoms. Most often they have an influenza-like illness with fever, cough, headaches, rash, and myalgias (muscle pains). Of those people with symptoms, 8% have severe lung disease requiring hospitalizatio [..]

A febrile disease caused by the West Nile virus that is transmitted from birds to the common Culex mosquito and then to people. The virus is named after the area it was first found in Uganda. West Nile fever occurs in parts of Africa and Asia and, infrequently, in Southern Europe and the Middle East. The West Nile virus had never been seen in birds [..]

Also known as trench fever, a disease borne by body lice that was first recognized in the trenches of World War I, when it is estimated to have affected more than a million people in Russia and on the fronts in Europe. Trench fever was again a major problem in the military in World War II and is seen endemically in Mexico, Africa, E. Europe, and el [..]

See: Yellow fever.

An increase in body temperature above normal (98.6 degrees F), usually caused by disease.

earlier also feaver, late Old English fefor, fefer "fever, temperature of the body higher than normal," from Latin febris "fever," related to fovere "to warm, heat," prob [..]

febriphobia

Fever [N]( Deuteronomy 28:22 ; Matthew 8:14 ; Mark 1:30 ; John 4:52 ; Acts 28:8 ), a burning heat, as the word so rendered denotes, which attends all febrile attacks. In all Eastern countries such dis [..]

A rise in body temperature above normal. Fever usually occurs as a natural response to infection.

a rise in the temperature of the body; frequently a symptom of infection intense nervous anticipation; "in a fever of resentment" (fevered) highly excited; "a fe [..]

an illness which makes your body very hot and makes you feel weak and thirsty

(Deut. 28:22; Matt. 8:14; Mark 1:30; John 4:52; Acts 28:8), a burning heat, as the word so rendered denotes, which attends all febrile attacks. In all Eastern countries such diseases are very common. [..]

pyrexia

To dream that you are stricken with this malady, signifies that you are worrying over trifling affairs while the best of life is slipping past you, and you should pull yourself into shape and engage in profitable work. To dream of seeing some of your family sick with fever, denotes temporary illness for some of them. See Illness.   

Raised body temperature usually with other symptoms.

body temperature is raised above normal and is usually a sign of infection or illness.

higher than normal body temperature

(n) a rise in the temperature of the body; frequently a symptom of infection(n) intense nervous anticipation

A fever is a body temperature that is higher than normal. It is not an illness. It is part of the body's defense against infection. Most bacteria and viruses that cause infections do well at the [..]

You've probably noticed that sometimes when you're sick, you feel really hot one minute and then freezing cold the next. And to make things weirder, grown-ups keep touching your face and for [..]

A fever is a raising of the body’s temperature, usually in response to infection or another inflammatory process. It is part of the immune response and helps fight infection. It is usually defined as [..]

An abnormal elevation of Body Temperature, usually as a result of a pathologic process.

Diseases caused by American hemorrhagic Fever Viruses (Arenaviruses, New World).

A Disease of pregnant and lactating cows and ewes leading to generalized Paresis and Death. The Disease, which is characterized by Hypocalcemia, occurs at or shortly after Parturition in cows and with [..]

A Chronic Disease caused by Leishmania donovani and transmitted by the bite of several sandflies of the genera Phlebotomus and Lutzomyia. It is commonly characterized by Fever, Chills, Vomiting, Anemi [..]

A complication of Malaria, Falciparum characterized by the passage of dark red to black urine.

A febrile illness characterized by Chills, aches, Vomiting, leukopenia, and sometimes Encephalitis. It is caused by the Colorado tick fever virus, a reovirus transmitted by the Tick Dermacentor anders [..]

A severe, often fatal Disease in Humans caused by the Crimean-Congo hemorrhagic fever virus (Hemorrhagic Fever Virus, Crimean-Congo).

An acute febrile Disease transmitted by the bite of Aedes Mosquitoes infected with Dengue Virus. It is self-limiting and characterized by Fever, myalgia, Headache, and Rash. Dengue Hemorrhagic Fever i [..]

An Ephemerovirus Infection of Cattle caused by Bovine ephemeral fever virus (Ephemeral Fever Virus, Bovine). It is characterized by respiratory symptoms, increased oropharyngeal Secretions and lacrima [..]

A Cattle Disease of uncertain cause, probably an allergic reaction.

A common, acute Infection usually caused by the Epstein-Barr Virus (Herpesvirus 4, Human). There is an increase in mononuclear White Blood Cells and other atypical Lymphocytes, generalized lymphadenop [..]

Allergic Rhinitis that occurs at the same Time every year. It is characterized by acute CONJUNCTIVITIS with lacrimation and Itching, and regarded as an allergic condition triggered by specific Allerge [..]

Hereditary Inflammation conditions, characterized by recurrent episodes of systemic Inflammation. Common symptoms include recurrent Fever, Rash, arthritis, Fatigue, and secondary Amyloidosis. Heredita [..]

The classic form of typhus, caused by Rickettsia prowazekii, which is transmitted from man to man by the Louse Pediculus humanus corporis. This Disease is characterized by the sudden onset of intense [..]

Infection with Flukes (trematodes) of the genus Schistosoma. Three species produce the most frequent clinical Diseases: Schistosoma haematobium (endemic in Africa and the Middle East), Schistosoma man [..]

An acute febrile Human Disease caused by the Lassa virus.

An RNA Virus Infection of rhesus, vervet, and Squirrel Monkeys transmissible to man.

A febrile Disease of the Mediterranean area, the Crimea, Africa, and India, caused by Infection with Rickettsia conorii.

Infection with the Omsk hemorrhagic Fever Virus, a Flavivirus.

A prolonged febrile illness commonly caused by several Paratyphi serotypes of Salmonella enterica. It is similar to Typhoid Fever but less severe.

An acute infectious Disease caused by Coxiella burnetii. It is characterized by a sudden onset of Fever; Headache; malaise; and weakness. In Humans, it is commonly contracted by Inhalation of infected [..]

A Syndrome characterized by recurring Fever, Rash, and Arthralgias occurring days to weeks after a rat bite. The causative agents are either Streptobacillus Moniliformis or Spirillum minus.

An acute Infection characterized by recurrent episodes of Pyrexia alternating with asymptomatic intervals of apparent recovery. This condition is caused by Spirochetes of the genus Borrelia. It is tra [..]

A protozoan Disease caused in Humans by four species of the Plasmodium genus: Plasmodium falciparum; Plasmodium vivax; Plasmodium ovale; and Plasmodium malariae; and transmitted by the bite of an infe [..]

A febrile Disease occurring as a delayed sequela of Infections with Streptococcus pyogenes. It is characterized by multiple focal inflammatory lesions of the Connective Tissue structures, such as the [..]

An acute Infection caused by the Rift Valley fever virus, an RNA Arthropod-Borne Virus, affecting Domestic Animals and Humans. In Animals, symptoms include Hepatitis; abortion (Abortion, Veterinary); [..]

Infection with group A streptococci that is characterized by Tonsillitis and Pharyngitis. An erythematous Rash is commonly present.

Bovine respiratory Disease found in Animals that have been shipped or exposed to Cattle recently transported. The major agent responsible for the Disease is Mannheimia haemolytica and less commonly, P [..]

A highly contagious DNA Virus Infection of the cat Family, characterized by Fever, Enteritis and Bone Marrow changes. It is also called feline Ataxia, feline Agranulocytosis, feline infectious Enterit [..]

Viral Disease of Horses caused by the Equine infectious anemia virus (EIAV; Infectious Anemia Virus, Equine). It is characterized by intermittent Fever, weakness, and Anemia. Chronic Infection consist [..]

A virulent form of Dengue characterized by Thrombocytopenia and an increase in vascular Permeability (grades I and II) and distinguished by a positive Pain test (e.g., Tourniquet Pain TEST). When acco [..]

An intermittent Fever characterized by intervals of Chills, Fever, and Splenomegaly each of which may last as long as 40 hours. It is caused by Bartonella quintana and transmitted by the Human Louse.

An acute infectious Disease caused by Orientia tsutsugamushi. It is liMited to eastern and Southeastern Asia, India, northern Australia, and the adjacent Islands. Characteristics include the formation [..]

An acute systemic febrile Infection caused by Salmonella typhi, a serotype of Salmonella enterica.

Infection caused by Bacteria of the genus Brucella mainly involving the Mononuclear Phagocyte System. This condition is characterized by Fever, weakness, malaise, and Weight Loss.

A manifestation of Sarcoidosis marked by chronic Inflammation of the Parotid Gland and the Uvea.

A group of Viral Diseases of diverse etiology but having many similar clinical characteristics; increased Capillary Permeability, leukopenia, and Thrombocytopenia are common to all. Hemorrhagic Fevers [..]

An acute infectious Disease primarily of the tropics, caused by a Virus and transmitted to man by Mosquitoes of the genera Aedes and Haemagogus.

An abnormal elevation of body temperature, usually as a result of a pathologic process.

In dogs, a body temperature reading over 103ƒ.

Abnormally high body temperature.

An increase in body temperature above normal (98.6 degrees F), usually caused by disease.

[fee-vuh] An abnormal high body temperature.

(FEE-ver): A rise in body temperature above the normal range.

an elevation in body temperature. In influenza, fever is usually 101 degrees F to 102 degrees F.

[ fee-ver] An abnormally high body temperature. In cancer patients receiving chemotherapy, a fever is a temperature of 100.4° F (38° C) or higher for more than one hour, or a one-time temperature of 1 [..]

n. "fever," s.v. fever sb.\1 OED. KEY: fever@n

n 6 fevere 4 fevre 2

Use this game to test and refresh your knowledge of the common causes of fever. (15 items chosen from 30 questions).

an elevation of the body temperature above the normal temperature

a rise in body temperature. foetal lung fluid

fever