2,943 Possible Causes for Fever in USA

  • Upper Respiratory Infection

    Get medical care if you have: Difficulty swallowing liquids White or yellow spots in throat Increased pain after 3 days For fever: Self-care is okay for fever less than 101 … Get medical care if you have: Fever greater than 101 F (38.3 C) for more than 3 days Fever that fluctuates above 101 F (38.3 C) several times a day Shaking chills For cough … Tylenol, Panadol) is a painkiller and fever reducer.[1]

  • Acute Gastroenteritis

    The typical course consists of a short prodromal phase with mild fever, nausea and vomiting. … It has been suggested that high fever is generally caused by bacteria, while mild fever indicates viral gastroenteritis. … AG is characterized by a sudden onset of symptoms - typically fever, malaise, abdominal pain, nausea, vomiting and diarrhea - but severity may vary widely.[2]

  • Insect Bite

    Symptoms of West Nile Virus West Nile virus, which is transmitted by infected mosquitoes, can produce flu-like symptoms, including fever, headache, stiff neck, body aches, … Symptoms of Rocky Mountain Spotted Fever Initial symptoms may include fever, nausea, vomiting, severe headache, severe neck pain, muscle pain, and lack of appetite. … The characteristic red, spotted rash of Rocky Mountain spotted fever is usually not seen until the sixth day or later after symptoms begin, and as many as 10 percent to 15[3]

  • Influenza

    Veterinary Pathology. an acute, contagious disease occurring in horses and swine, characterized by fever, depression, and catarrhal inflammations of the eyes, nasal passages … British Dictionary definitions for influenza noun 1. a highly contagious and often epidemic viral disease characterized by fever, prostration, muscular aches and pains, and … Used in Italian for diseases since at least 1504 (cf. influenza di febbre scarlattina "scarlet fever") on notion of astral or occult influence.[4]

  • Urinary Tract Infection

    Fevers, chills, and malaise may be noted in patients with cystitis, though these findings are associated more frequently with upper UTI (ie, pyelonephritis). … Fever may be a component of urethritis-related syndromes (eg, Reiter syndrome, Behçet syndrome) but rarely is observed in acute cystitis. … Constitutional symptoms, such as fever, nausea, and anorexia, are rare or mild.[5]

  • Sinusitis

    Shah says if you or your child has a fever, cough, are wheezing or a decreased appetite, see a doctor for an evaluation. … But if you don't improve after 10 days or have persistent fevers, see your doctor. … You'll notice a harsh, barky, non-productive cough in your child and a fever that usually lasts two to five days.[6]

  • Acute Bronchitis

    Treatment of acute bronchitis typically involves rest, paracetamol (acetaminophen), and NSAIDs to help with the fever. … Other symptoms include coughing up mucus, wheezing, shortness of breath, fever, and chest discomfort. … Treatment of acute bronchitis typically involves rest, paracetamol (acetaminophen), and NSAIDs to help with the fever.[7]

  • Streptococcal Infection

    The manifestations of pharyngitis are variable, from mild discomfort at swallowing to exudative pharyngitis with high fever. … Rarely, the pharyngitis is associated with scarlet fever. … Rheumatic fever can present as an inflammation of the joints, heart, central nervous system, or skin.[8]

  • Drug-induced Fever
  • Otitis Media

    Many infants and children with an acute ear infection have a fever or trouble sleeping. … Take over-the-counter medicines such as ibuprofen or acetaminophen for pain or fever. … All children younger than 6 months with a fever or symptoms of an ear infection should see a provider.[9]


Hyperthermia is characterized by an elevation of body temperature above the normal range over the temperature regulation set point.

Similar symptoms


  1. Colds and Flu: Upper Respiratory Infections, https://www.uhs.umich.edu/coldsflu
  2. Acute Gastroenteritis, https://www.symptoma.com/en/info/acute-gastroen…
  3. Insect Bite Symptoms & Treatment, http://nextcare.com/health-resources/insect-bit…
  4. Influenza | Define Influenza at Dictionary.com, http://dictionary.reference.com/browse/influenza
  5. History, Physical Examination, Acute Urethritis Versus Cystitis, http://emedicine.medscape.com/article/233101-cl…
  6. What's Going Around: Doctors seeing sinusitis, bronchitis, croup, http://www.wkow.com/story/31012413/2016/01/20/w…
  7. Bronchitis, https://en.wikipedia.org/wiki/Bronchitis
  8. Streptococcal Infection, https://www.symptoma.com/en/info/streptococcal-…
  9. Ear infection - acute: MedlinePlus Medical Encyclopedia, https://www.nlm.nih.gov/medlineplus/ency/articl…