A fever is always an indication of certain things in thehuman body that are out of the ordinary. Fever is usually very uncomfortablebut it commonly is not especially dangerous unless it reaches 103 degrees.Slight elevations of temperature in children are usually a sign of some serioustype of infection. The seriousness of the underlying condition that caused thefever in the first place is not always indicated by the degree of fever.Sometimes, certain minor illnesses can cause a high fever while in some othercases major ailments can cause low fever. Fever usually resolves on its own ina few days, but it can also be lowered by numerous over-the-countermedications. It is always recommended to leave the fever untreated since it isa way of fighting off an infection.
One’s normal body temperature actually varies during the dayand it is usually lower in the morning and it gradually rises as the dayprogresses towards the evening. A normal body temperature is considered to be98.6 degrees although in some people it may vary from 97 to 99 degrees. Heavyexercising and menstrual cycles can also affect one’s body temperature. The hypothalamus is located at the base of the brain and it sets one’s bodytemperature and acts as a thermostat for the human body.
One’s body temperatureis actually a balance of the heat produced by the muscles and the liver and theheat that the human body loses. When a person is ill, the body temperaturerises because the blood gets directed away from the skin in order to decreasethe amount of heat that gets lost. When a fever kicks in, the patient commonlyfeels cold and shivers because the heat needs to be generated until the bloodthat surrounds the hypothalamus reaches a new point.
When the fever goes awaythe body temperature returns to normal and the person sweats excessivelybecause the body needs to get rid of the accumulated excess heat. The body’sability to produce fever is excessively lessened if a person is very old, veryyoung or an alcoholic. Fever occurs as a response to a bacterial or a viralinfection but it can also be associated with extreme sunburns, inflammations,heat exhaustion, malignant tumors and reactions to medications andimmunizations. There are certain cases where it is impossible to determine thecause of a fever. Some cases involve febrile seizures.