What Causes Fever?
In most cases a fever is caused by an underlying illness or infection. As the immune system fights off an infection, it generates heat, which results in an increased body temperature. In addition, the hypothalamus (that acts as the body’s thermostat) increases the body’s base-line temperature.
This raised body temperature assists the immune system in ridding the body of illness as the viruses and bacteria that cause them thrive in cooler environments and generally cannot withstand high temperature. The causes of a fever may range widely from common teething in infants and a bout of flu, to more serious conditions such as pneumonia, glandular fever, sunburn and heatstroke.
They may even occur as a result of certain medications including some antibiotics, blood pressure medications, antidepressants, and anti-seizure drugs. It is therefore always important to monitor a fever and seek medical attention if it increases rapidly, or persists, so that a correct diagnosis can be achieved.
Tags: Fever, Fever causes
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