7,936 Possible Causes for High Fever

  • Upper Respiratory Infection

    Symptoms include: High fever (greater than 101 F or 38.3 C) Severe, sudden headache accompanied by any of the following: Mental changes (e.g. agitation or confusion) Neck[uhs.umich.edu] You should see a doctor if you have a high fever or if the pain in your face and teeth gets worse.[wilx.com] The influenza virus causes a respiratory infection with high fevers that can last up to 7 days.[aboutkidshealth.ca]

  • Acute Gastroenteritis

    A fever is usually present.[healthhype.com] Some patients present with high fever, more so if the infection is bacterial like salmonellosis, or shigellosis.[newtimes.co.rw] Rotavirus is highly infectious and is the commonest cause of acute gastroenteritis in young children, causing diarrhoea, vomiting and fever.[lshtm.ac.uk]

  • Influenza

    Call the doctor if your child: has flu symptoms has a high fever, or fever with a rash has trouble breathing or rapid breathing has bluish skin color is not drinking enough[kidshealth.org] The severity of symptoms and the presence of a high fever and body aches help distinguish influenza from a common cold, especially when the illness occurs during an influenza[merckmanuals.com] It is especially important for people in high-risk groups and people who are in close contact with those at high risk to get an influenza vaccine every year as recommended[fda.gov]

  • Insect Bite

    This can include recurring high fever, vomiting, chills and diarrhea.[care2.com] Chikungunya virus , which has been spreading through the Caribbean, causes high fevers, fatigue and severe, oftentimes debilitating joint pain .[cbsnews.com] May spread: Rocky Mountain Spotted Fever Prevent it: Dog ticks are transmitted by free-roaming dogs; they can also be found in woods and areas with high grass.[sharecare.com]

  • Urinary Tract Infection

    In babies, the most common signs include fever, irritability, vomiting and diarrhea, poor feeding, and failure to gain weight, but most babies will just have a high fever[childrenshospitaloakland.org] A young child with a high fever and no other symptoms, has a 1 in 20 chance of having a UTI.[healthychildren.org] Today, pediatricians know it's critical to check the urine of babies and toddlers who have a high fever because otherwise they could miss the problem.[parents.com]

  • Q Fever

    : a disease characterized by high fever, chills, muscular pains, headache, and sometimes pneumonia that is caused by a bacterium ( Coxiella burnetii of the family Coxiellaceae[merriam-webster.com] The most common symptoms of acute Q fever are high fever, severe headache, myalgia, chills, and cough.[orpha.net] Flu-like syndrome is usually self- limited, lasts up to 3 wks, and may involve high fevers, headaches, and muscle aches.[stopticks.org]

  • Familial Mediterranean Fever

    An acute phase response is present during attacks, with high C-reactive protein levels, an elevated white blood cell count and other markers of inflammation .[en.wikipedia.org] (Predisposing Factors) The risk factors for Familial Mediterranean Fever are: FMF is an inherited genetic disorder; those with a family history of the illness, are at a high[dovemed.com] Populations having a high prevalence (1/200-1/1000) of the disease are non-Ashkenazi Jews, Turks, Armenians and Arabs.[orpha.net]

  • Relapsing Fever

    : a variable acute epidemic disease that is marked by recurring high fever usually lasting three to seven days and is caused by a spirochete (genus Borrelia ) transmitted[merriam-webster.com] Symptoms of relapsing fever include: High fever that begins suddenly.[myhealth.alberta.ca] Manifestations In endemic relapsing fever, an abrupt onset of symptoms is usually seen with high fever, rigors, severe headache, muscle pains, weakness, anorexia, weight loss[atsu.edu]

  • Rift Valley Fever

    In humans the disease ranges from a mild flu-like illness to severe haemorrhagic fever that can be lethal.[who.int] […] probability for complete recovery from the disease is high.[jimmunol.org] SYMPTOMS and SIGNS Rift Valley fever (RVF) causes high mortality rates in young ruminant animals, particularly lambs; and causes abortions in older animals.[epi.ufl.edu]

  • Dengue Fever

    Common signs and symptoms of dengue fever include: high fever , possibly as high as 105 F (40 C) pain behind the eyes and in the joints, muscles and/or bones severe headache[kidshealth.org] […] typically begin three to fourteen days after infection. [2] This may include a high fever , headache , vomiting, muscle and joint pains , and a characteristic skin rash .[en.wikipedia.org] It causes high fever, severe headache, pain behind the eye, joint pain, and muscle pain.[health.ny.gov]

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