When the fever appears, something goes wrong. It is a sign of disease may be accompanied by chills, headache and other symptoms little welcome, but has its function.

“The temperature that interests us is the central, is which are the vital organs such as the brain, heart, lungs or kidney.” “Is that it attempts to measure”, explains José María Molero García, family physician and Member of the Group of infections of the society Spanish medicine of family and community.

According to Dr. Molero, central temperature ranges between 36.5 ° C and 37.5 ° C. However, the normal body temperature may vary slightly from some people to others.

El doctor Molero says that it is more reliable to measure the temperature in the mouth or rectum to the armpit, but discouraged take in several areas and compare outcomes.

“Fever is a sign of disease and is often accompanied by other symptoms,” says the doctor. Headache, muscle aches, chills and seizures are the most frequent.

When the fever lasts less than a week, most commonly is that it is caused by an infection already this is viral, bacterial or fungal infection. But it may also be due to certain drugs. In addition, cocaine may lead to the appearance of fever.

Strenuous exercise or some situations physiological as ovulation and pregnancy can also cause acute fever.

On the other hand, half of the cases of prolonged fever that lasts longer than two or three weeks, is due to chronic infections such as tuberculosis, mononucleosis virus, AIDS or malaria, among others. May also be caused by infections of bones, abdominal, rectal abscesses or hepatitis.

One-fifth of cases lasting fever respond to different types of tumors and another fifth has its origin in rheumatic inflammatory diseases of blood vessels and collagen.

But more prolonged fever may also be due to other causes such as intestinal swelling or Thyroiditis, details the expert.

“Fever is a defense mechanism of the body and is not harmful in itself”, argues Molero. The doctor explains that, before a pathological process, the hypothalamus adjusts the temperature regulation mechanism at a higher than normal level.

Specialists of the University of Maryland Medical Center indicate that although the fever “is for us a sign that could be presenting a battle in the body, this fever is fighting for the person, not against”.

Purification LEÓN.

EFE-REPORTAJES.

When the fever lasts less than a week, most commonly is that it is caused by an infection already this is viral, bacterial or fungal.

“Fever is a defense mechanism of the body and is not harmful in itself,” says José María Molero García, family physician and member of the Group of infections of the society Spanish medicine of family and community.