This Monday’ss blog post is one of the most common medical symptoms out there―FEVER.

What is fever?

People often have the misconception that fever is a disease but in actuality, fever is the body’s immune response to foreign materials such as bacteria and viruses that somehow makes it inside its system.

Fever is generally not considered dangerous, but hyperthermia can cause dangerous rises in body temperature. This can be due to an extreme temperature associated with heat injuries such as heat stroke, side effects of certain medications or illicit drugs, and stroke. [1] With hyperthermia, the body is no longer able to control body temperature.[2]

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Causes of Fever[3]:

A part of the brain called the hypothalamus controls body temperature, which usually varies throughout the day from the normal temperature of 98.6° F (38° C).

In response to an infection, illness, or some other cause, the hypothalamus may reset the body to a higher temperature.

Although the most common causes of fever are common infections such as colds and gastroenteritis, other causes include:

  • Infections of the ear, lung, skin, throat, bladder, or kidney
  • Conditions that cause inflammation
  • Side effects of drugs
  • Cancer
  • Vaccines

Other causes of fever include:

  • Blood clots
  • Autoimmune diseases such as lupus, rheumatoid arthritis, and inflammatory bowel disease
  • Hormone disorders such as hyperthyroidism
  • Illegal drugs such as amphetamines and cocaine


Treatments vary depending on the cause of the fever. For example, antibiotics would be used for a bacterial infection such as strep throat.

The most common treatments for fever include over-the-counter drugs such as acetaminophen (Tylenol) and nonsteroidal anti-inflammatory drugs such ibuprofen (Advil, Motrin) and naproxen (Aleve). Children and teens should not take aspirin because it’s linked to a condition called Reye’s syndrome.



[3] Causes of Fever:



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