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Why fever?

Fever is not always related to an underlying condition. It may be caused by:

  • Injury
  • Side effects of drugs
  • Over exertion of the body
  • Pain
  • Stress
  • Teething
  • Vaccine side effects

Related ConditionsRelated ConditionsSometimes fever may signify an underlying health condition. These conditions include:

Very common

Invasion of microorganisms such as viruses, bacteria, and protozoa. Eg: Flu, malaria, strep throat

Symptoms may include:

  • Fever
  • Fatigue
  • Body pain
  • Feeling lethargic

Very common

A disease caused by virus infecting the respiratory tract.

Symptoms may include:

  • Fever
  • Runny nose
  • Cough
  • Body pain or muscle pain

Very common

A viral infection of the upper respiratory tract. This results in sneezing, stuffy nose and runny nose.

Symptoms may include:

  • Nose stuffiness
  • Runny nose
  • Sore throat
  • Fever

Very common

A condition with swelling and tenderness of one or more joints. The common symptom includes pain and stiffness in joints.

Symptoms may include:

  • Joint pain- knee or hip pain
  • Swelling
  • Tenderness in joints
  • Fever

Common

A group of intestinal disorders that cause inflammation of the digestive tract. This causes abdominal pain, cramping and unexplained weight loss.

Symptoms may include:

  • Diarrhea
  • Fever
  • Abdominal pain
  • Bloating and cramping

Common

An autoimmune disease, with systemic manifestations including skin rash, erosion of joints or even kidney failure.

Symptoms may include:

  • Butterfly rash on the face
  • Appetite loss
  • Painful or swollen joints and muscle pain
  • Unexplained Fever

Very rare

A medical condition caused due to overheat in the body. If untreated, it can damage brain, heart, kidneys and muscles.

Symptoms may include:

  • Fever of 104°F or higher
  • Altered mental state
  • Absence of sweating
  • Dizziness or lightheadedness

What are the treatment options?What specialists to consult?When to see a doctor?

For informational purposes only. Consult a medical professional for advice.

Reviewed by a panel of doctors. Source: Focus Medica.

Was this helpful?

  • People also askWhat are the reasons why a person has a fever?What are the reasons why a person has a fever?An infection, such as the flu, is the most common cause of fever. Other conditions can also cause a fever. These include diseases that produce inflammation, such as rheumatoid arthritis; reactions to drugs or vaccines; and even certain types of cancers.

    Common Causes

    Fever is not always related to an underlying condition. It may be caused by:

    • Injury
    • Side effects of drugs
    • Over exertion of the body
    • Pain
    • Stress
    • Teething
    • Vaccine side effects

    Related ConditionsRelated Conditions Sometimes fever may signify an underlying health condition. These conditions include:

    Very common

    Invasion of microorganisms such as viruses, bacteria, and protozoa. Eg: Flu, malaria, strep throat

    Symptoms may include:

    • Fever
    • Fatigue
    • Body pain
    • Feeling lethargic

    Very common

    A disease caused by virus infecting the respiratory tract.

    Symptoms may include:

    • Fever
    • Runny nose
    • Cough
    • Body pain or muscle pain

    Very common

    A viral infection of the upper respiratory tract. This results in sneezing, stuffy nose and runny nose.

    Symptoms may include:

    • Nose stuffiness
    • Runny nose
    • Sore throat
    • Fever

    Very common

    A condition with swelling and tenderness of one or more joints. The common symptom includes pain and stiffness in joints.

    Symptoms may include:

    • Joint pain- knee or hip pain
    • Swelling
    • Tenderness in joints
    • Fever

    Common

    A group of intestinal disorders that cause inflammation of the digestive tract. This causes abdominal pain, cramping and unexplained weight loss.

    Symptoms may include:

    • Diarrhea
    • Fever
    • Abdominal pain
    • Bloating and cramping

    Common

    An autoimmune disease, with systemic manifestations including skin rash, erosion of joints or even kidney failure.

    Symptoms may include:

    • Butterfly rash on the face
    • Appetite loss
    • Painful or swollen joints and muscle pain
    • Unexplained Fever

    Very rare

    A medical condition caused due to overheat in the body. If untreated, it can damage brain, heart, kidneys and muscles.

    Symptoms may include:

    • Fever of 104°F or higher
    • Altered mental state
    • Absence of sweating
    • Dizziness or lightheadedness

    What are the treatment options?What specialists to consult?When to see a doctor?

    For informational purposes only. Consult a medical professional for advice.

    Reviewed by a panel of doctors. Source: Focus Medica.

    Was this helpful?What are the reasons why a person has a fever? An infection, such as the flu, is the most common cause of fever. Other conditions can also cause a fever. These include diseases that produce inflammation, such as rheumatoid arthritis; reactions to drugs or vaccines; and even certain types of cancers.

    Why do you never have a fever? The lack of a fever or running a temperature is caused by the Hypothalamus. For some reason its functioning becomes disturbed and can’t produce a high enough temperature. The reason for the disturbance may be anything, emotional, physical or energetic:

    Why does high fever result in death? More serious fevers, in which body temperature rises to 108 °F (42.22 °C) or more, can result in convulsions and death. During fever the blood and urine volumes become reduced as a result of loss of water through increased perspiration. Body protein is rapidly broken down, leading to increased excretion of nitrogenous products in the urine.

    Why is a high fever so dangerous? A fever is the result of virus/ infection regulation by the hypothalamus. A high fever, usually exceeding 106 F, can cause significant permanent damage to the brain.

    How do you reduce fever naturally?

    How do you reduce fever naturally? The simplest natural remedy for fever is water. Drink plenty amounts of cool water to compensate for the loss of fluids and to help your body lower the temperature. Besides water, you should drink fresh fruit juice, especially grapefruit juice, or eat chicken soup.

    What are the common causes of fever? Most common causes of fever or pyrexia are viral or bacterial infections. Some of the conditions that usually cause fever include the following, Otitis media is an infection causing inflammation of the middle ear, mostly caused by virus and bacteria.

    What is a normal body temperature for a fever? The normal body temperature is between about 36 and 37°C, but this can vary from person to person and from hour to hour. Most centres define fever as body temperature higher than 38°C. Temperatures between 37.5°C and 38.5°C may indicate a low-grade fever.

    Is 99.5 a good temperature? Some people naturally have a lower-than-average body temp (lower than the “normal” 98.6) so maybe 99.5 feels relatively warmer to you. It is a borderline low-grade fever for just about anyone. Drink plenty of clear fluids and take a Tylenol if you feel like it.