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    2,732 Possible Causes for High Fever in USA

    • Upper Respiratory Infection

      You should see a doctor if you have a high fever or if the pain in your face and teeth gets worse.[] 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[] The influenza​​ virus causes a respiratory infection with high fevers that can last up to 7 days.[]

    • Insect Bite

      This can include recurring high fever, vomiting, chills and diarrhea.[] Symptoms like (but not limited to) high fever, severe headaches, pain behind the eyes, rash and mild bleeding (such a nose bleed, bleeding gums, or easy bruising) usually[] Chikungunya virus , which has been spreading through the Caribbean, causes high fevers, fatigue and severe, oftentimes debilitating joint pain .[]

    • Acute Gastroenteritis

      Some patients present with high fever, more so if the infection is bacterial like salmonellosis, or shigellosis.[] Antimotility drugs should be avoided if there is blood and/or mucus in the stools, or high fever.[]

    • Influenza
      High Fever

      Type A and B cause the annual influenza epidemics that have up to 20% of the population sniffling, aching, coughing , and running high fevers .[] fever If you experience any of these reactions, seek medical attention immediately.[]

    • Viral Lower Respiratory Infection

      At the same time, extremely high fevers (higher than 40.6  C [105  F]) can occur.[] They have high fever, tachypnea, and tachycardia, but a surprisingly quiet chest.[] When to see a doctor Seek immediate medical attention if your child — or anyone at risk of severe RSV infection — has difficulty breathing, a high fever, or a blue color to[]

    • 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[] In infants and young children the symptoms include: High fever Decreased appetite Irritability Vomiting Older children will also have: High fever Possible back pain Nausea[] With this type of UTI, a person often has back pain, high fever, and vomiting.[]

    • Bubonic Plague
      High Fever

      Early symptoms of plague include high fever, chills, nausea, weakness and swollen lymph nodes in the neck, armpit or groin.[] The body's natural immune defenses kick in, causing a high fever in an attempt to kill the bacteria.[]

    • Sinusitis

      […] than seven days Your symptoms don't improve after you see your doctor See a doctor immediately if you have any of the following, which could indicate a serious infection: High[]

    • Meningitis
      High Fever

      Be on the lookout for these signs in you or your family: Stiff neck that sometimes makes it hard to touch your chin to your chest Headache, which can be severe High fever[]

    • Measles
      High Fever

      The infection causes a skin rash and a high fever.[] The measles rash breaks out 3-5 days after symptoms start, and can coincide with high fevers up to 104 F (40 C).[] Symptoms of measles include high fever and red blotchy rash starting on the face then spreading to the rest of the body.[]

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