100.4°F (38°C)
Most people think of a normal body temperature as an oral temperature of 98.6°F (37°C) . This is an average of normal body temperatures. Your temperature may actually be 1°F (0.6°C) or more above or below 98.6°F (37°C) . Also, your normal body temperature changes by as much as 1°F (0.6°C) throughout the day, depending on how active you are and the time of day. Body temperature is very sensitive to hormone levels and may be higher or lower when a woman is ovulating or having her menstrual period. Most people think a normal body temperature is an oral temperature (by mouth) of 37°C (98.6°F) . This is an average of normal body temperatures. Your normal temperature may actually be 0.6°C (1°F) or more above or below this. Also, your normal temperature changes by as much as 0.6°C (1°F) during the day, depending on how active you are and the time of day. Body temperature is very sensitive to hormone levels. A fever is a body temperature above 100.4°F. A normal oral temperature for a resting, healthy adult is about 98.6°F (37°C) (for someone over 70 normal temp is 96.8°F (36°C)). Your temperature can go up or down 1 to 2 degrees throughout the day. Fever is a sign of inflammation or infection and is a common symptom of illness. Fever is not a disease.  Fever symptoms. A fever is a high temperature when the body's temperature rises above 37.5C (99.5F). The normal body temperature is between 36C-37C (96.8F-98.6F). The high temperature or fever often lasts around two to three days. Check for high temperature or fever using an appropriate thermometer and following the instructions. Fever or a high temperature is usually a normal response to an infection as the body fights it off. Part of the brain called the hypothalamus may decide to regulate the body's temperature to a higher level. Also, your normal body temperature changes by as much as 1°F (0.6°C) throughout the day, depending on how active you are and the time of day. Body temperature is very sensitive to hormone levels and may be higher or lower when a woman is ovulating or having her menstrual period. The body is very good at keeping its temperature within a narrow, safe range in spite of large variations in temperatures outside the body. When you are too hot, the blood vessels in your skin expand (dilate) to carry the excess heat to your skin's surface. A fever is a rise in body temperature. It's usually a sign of infection. The fever itself is generally harmless and probably helpful. Fevers usually don't need treatment. The average body temperature is 98.6 F (37 C). But normal body temperature can range between 97 (36.1) and 99 (37.2) or more. Your body temperature can vary depending on how active you are or the time of day. Generally, older people have lower body temperatures than younger people. Body Temperature. Guide. In most adults, an oral temperature above 100.4°F (38°C) or a rectal or ear temperature above 101°F (38.3°C) is considered a fever. A child has a fever when his or her rectal temperature is 100.4°F (38°C) or higher.  Fevers. When an adult's body temperature is above the normal range, he or she is considered to have a fever. Medically speaking, a fever is present with temperatures above 98.6°F with an oral thermometer or above 99.8°F with a rectal thermometer. In grown adults, a normal temperature can range from 97.8°F to 99°F, or between 36.5°C and 37.2°C. Most people think of a normal body temperature as an oral temperature of 98.6°F (37°C) . This is an average of normal body temperatures. Your temperature may actually be 1°F (0.6°C) or more above or below 98.6°F (37°C) . The body is very good at keeping its temperature within a narrow, safe range in spite of large variations in temperatures outside the body. When you are too hot, the blood vessels in your skin expand (dilate) to carry the excess heat to your skin's surface.
http://www.emedicinehealth.com/script/main/art.asp?articlekey=128929 http://www.healthlinkbc.ca/medicaltests/content.asp?hwid=hw198785 http://www.healthpages.org/health-a-z/fever-adults/ http://www.webmd.boots.com/a-to-z-guides/fever-symptoms-causes-treatment http://www.webmd.com/first-aid/body-temperature http://www.mayoclinic.org/first-aid/first-aid-fever/basics/ART-20056685 http://www.webmd.com/first-aid/body-temperature?page=2 http://www.ehow.com/about_5039005_normal-temperature-adult.html http://www.webmd.com/first-aid/body-temperature
what is a normal fever temperature for adults