Body Temperature

Body temperature is one of the vital signs of human beings. Temperature is recorded to check for fever (pyrexia or febrile condition), or to monitor the degree of hypothermia. Normal human body temperature is 37 degrees Centigrade or 98.6 degrees Fahrenheit.

3,169 Questions
Vital Signs
Body Temperature

What temperature is considered a fever?

Technically, a fever is any temperature above your normal temperature; most adults' normal temperature is 98.6° Fahrenheit. A low-grade fever for most adults would be slightly elevated, between around 98.7° F and 100.4° F, for a period of 24 hours. A high-grade fever is usually in the 103-104° F range and is cause to seek medical attention.

For infants and toddlers, the threshold is slightly lower. You should seek medical attention for a child under 3 months who has a rectal temperature of 100.4° F or higher. For children 3 to 6 months, seek medical attention if they’re especially irritable, lethargic or uncomfortable with a rectal temperature of 102° F, or have a rectal temperature above 102° F. For children 6 to 24 months, seek medical attention for a temperature of 102° F or higher that lasts longer than a day with no other symptoms; if they have other symptoms, you can seek medical attention sooner.

Cold and Flu
Body Temperature

Can you catch a cold from being in the cold?

No. For example, people in Alaska don't get more colds than people anywhere else. We do have more colds in winter than in summer, but not because of the cold (see more on why below). Cold weather conditions play no role except as mentioned below about absolute humidity levels in the winter. One of the expert scientists (Bill Nye) said that you can not catch a cold from being cold; you catch a cold from germs and being cold has nothing to do with it. Plenty of tests have been conducted proving this.

The old belief that freezing temperatures cause illness started before people knew about germs; however, it continues to be passed along to others as a legend today and is not an evidence based finding from studies - just based on anecdotes and incorrect associations.

It has been scientifically studied with double blind test groups and there was no difference found in the rate of infection with common cold viruses when the study groups were exposed to cold temperatures or heat via different methods. The results of those studies were peer reviewed. "No" has become the current most accepted answer to the question by scientists and medical professionals.

Then why do we get more colds and flu in winter and cold weather?

It had been long held that this was most probably due to school children returning to schools and people being in closer proximity indoors in winter where they could pass all their germs around more easily. One of the most commonly cited studies used as a basis for this hypothesis was the "Seattle Virus Watch", done by John Fox, Carrie Hall, and friends.

Another hypothesized explanation had been that our Vitamin D production is lower in winter due to less exposure of our skin to sunlight, and since Vitamin D improves the immune system's ability to fight off infections, our defenses are made weaker in winter with Vitamin D deficiency. Another commonly held belief was that in drier air our mucous tissues dry out and can crack, making the viruses more easily introduced to the body. Some combination of all these factors may be at play.

However, the most recent studies have all seemed to point more to the different absolute humidity levels in winter compared to those in summer. Cold and flu viruses like it dry. See the related question below, "Why does the flu have a season?" for more details about these recent findings.

Check out the discussion section for comments, anecdotes, and discussion.

It is often believed that colds and flu and other infectious diseases can be caused by cold weather, changes in temperatures, being wet outside, or having wet hair, etc. None of this is correct information.

People also often say that being cold affects your immune system so you are more susceptible to infections. This is also not correct. When this is discussed, it doesn't just mean feeling chilly or even getting "goosebumps" or shivering. Hypothermia can have negative effects on your entire body including the immune system, but just being cold is not hypothermia. When medical studies use that term, it is used to refer to a specific measurement of core body temperature.

Hypothermia is not the same as being cold, it is a specific medical diagnosis and:

  • It is defined as a core body temperature that is at or below 95 F (35 C).
  • Needs to be treated if body temperature goes below 95 F (35 C).
  • Becomes life threatening below body temperatures of 90 F (32.2 C).
  • Affects motor coordination through impact to the nervous system at 95 F.
  • When the body temperature drops that low, at the start of a hypothermic condition, symptoms can include intense uncontrollable shaking and shivering, then if your body continues to get colder, the shivering stops when the core temperature gets between 90 F and 86 F.
  • It causes heart rate, respiratory rate, and blood pressure to rise during the first stages of hypothermia as your body tries to increase metabolism and warm itself, but these vital signs fall once the temperature gets 90°F (32.2°C).
  • Creates coma at below 86 F.
  • Heart rate becomes very irregular below 82 F and death can soon follow.

The reason the disease is called a "cold" does come from the myth and misunderstandings from back when it was thought that upper respiratory viral infections were caused by cold since most often occurred in cold times of the year and when they had no clue about disease-producing microbes. We know that is incorrect now, but the popular name of the "common cold" has not changed to its more proper name: a Rhinovirus infection.

Conditions and Diseases
Body Temperature

Why would someone feel cold all the time?

There are many causes for this. The most common being overly tired. Others include iron deficiency, anaemia, and a slow metabolism and being out in cold weather without sufficient clothing.

It could be symptoms of Anemia, Hypothyroidism, blood vessel problem, diabetes and other diseases, once the the feel toward temperature is abnormal, basic checks are necessary to find out if any above mentioned diseases are on the way. BOC Sciences bocsci(dot)com also provides drug discovery......

Human Anatomy and Physiology
Body Temperature

Is body temperature 35 degrees celsius good?

You need to see your doctor if your temperature is consistently 35 C. Are you experiencing any weight gain, mental sluggishness, constipation, depression, lack of energy? If so, you may want to have a complete check of your thyroid function... The normal temperature is 37 C or 98.6 F. If it is not your thyroid, it could be something need a diagnostician you trust.

Body Temperature

What happens to are body when you get too hot?

you sweat and you smell really badly. NO JOKE!!!

Body Temperature

How do you get a fever overnight?

A fever means that your body is fighting off some sort of intruder, like a bactieria or a virus. It can appear either during the day or at night

Medication and Drugs
Body Temperature

What is the purpose of muscle relaxant drugs?

Skeletal muscle relaxants may be used for relief of spasticity in neuromuscular diseases, such as multiple sclerosis, as well as for spinal cord injury and stroke. They may also be used for pain relief in minor strain injuries.

Body Temperature

Is 96.4 body temperature too low when ill?

N defentily , you need to either A) get LOTS of sleep and lots of fluid or B) go to the hospital

Vital Signs
Body Temperature

Will a heating pad raise body temperature?

Not really. In terms of physics: yes, you are adding heat to a set of molecules, therefor it will get warmer. But you are not a closed system: you lose a lot of heat from evaporation and IR radiation. The heating pad will warm up a specific area of skin and muscle, but will not raise your core temperature unless you are under a lot of blankets (in which case your own trapped body-heat will also raise it), and even then, your body will work hard to prevent it from raising it very much.

Body Temperature

What is the temperature of a sick person?

below 20 degrees means you are very sick

Cold and Flu
Travel & Places
Body Temperature

Is drinking milk with ice in it unhealthy?

Not really unless the ice is contaminated in some way.

Any drink that is overly cold, and especially if you drink it fast, can cause problems such as a "brain freeze". (Tip: breathe in and out through your nose in fast puffs if you get this kind of headache, the warmer air flow helps.)

When the ice melts in the milk, that does nothing but dilute the milk (unless, again, if the ice is made with contaminated water).

When traveling to some countries, it is best not to use ice cubes in any drinks because of the chance of contaminants in the water which could give you a food-borne or water-borne illness or could contain high levels of toxins or metals. Ask your travel agent for tips.

Body Temperature

What is the normal human body temperature?

The average human body temperature is 98.6º F or 37º C, but it can vary somewhat. Older people average a bit less. These values can also vary with time of day.

This means that illness may be present, especially in older adults, even when the temperature appears to be within the normal range. It is important for some to establish baseline values on an individual basis, since significant variations from the norm can occur in some individuals.
Average 98.6deg F, 37deg C

Average body temperature is 98.6 F

Body Temperature

Body temperature of 40.0c is this too high?

40 °C (104 °F), is somewhat dangerous. Anything over 41 °C (105 °F) can be fatal, and anything above 43 °C (109 °F) will likely kill you.

Body Temperature

What is the normal body temperature for adults?

98.6 degrees Fahrenheit, or about 37 degrees Celsius. This is very approximate, could vary by nearly a degree and still be normal. Depends on other symptoms.

Vital Signs
Body Temperature

What body temperature does an ant have?

The ant's body temperature is according to place's temperature.

Body Temperature

Are you sick if your temperature is 36.5?

if your talking about 36.5 degrees Fahrenheit, they you would be dead because your temperature cannot go that low without killing you. if you are talking about Celsius which is about 97.7 degrees Fahrenheit. My opinion is no you are not sick. The normal temperature is 98.6 Fahrenheit and 37 degrees Celsius.

Body Temperature
Cold and Flu

What body temperature is dangerous?

there are two body temperatures that can be dangerous. The body's normal temperature should be 37.5c. This is the temperature at which the body can work best at. If the body temperature rises above 37.5c this is a condition called Hyperthermia when the body absorbs more heat than it can dissipate. Temperatures above 40c are life-threatening and needs treating immediately. If the body temperature drops below 37.5c then this condition is called Hypothermia this is usually caused to excessive exposure to cold settings such as cold air and water. It is subdivided into four different degrees, mild 32-35 °C (90-95 °F); moderate, 28-32 °C (82-90 °F); severe, 20-28 °C (68-82 °F); and profound at less than 20 °C. Medical attention is need when the body temperature drops below (32c).

Body Temperature

What is the range of body temperature in a adult human body?

The average temperature in an adult body is about 98.6. If i am wrong please correct me. Thanks!

Cold and Flu
Body Temperature

Can fever cause feet and hands to feel cold?

yes, it can. it is called chills. Chills (shivering) may occur at the beginning of an infection and are usually associated with a fever. Chills are caused by rapid muscle contraction and relaxation. They are the body's way of producing heat when it feels cold. Chills often predict the coming of a fever or an increase in the body's core temperature. Chills are an important symptom with certain diseases such as malaria.

Vital Signs
Body Temperature

Is 98.8 normal temperature for an adult?

The 'Normal' temperature of an adult is 98.6 degrees. This is considered normal body temperature. However, many factors such as food and drink, environment, medications, etc. can change bodily temperature. 98.8 Is ideal.

Body Temperature

What does 97.8 body temperature mean?

actually 98.6 is the normal temperature of the body...

97.8 is in the normal body temperature range

Infectious Diseases
Body Temperature

How does malaria get into the body?

when female anopheles mosquito take a blood meal from a host with malaria, the mosquitoe took the malaria bacteria's gametes with the blood meal. the gamestes fused together in the mosquitoe's gut forming the infected stage. if the mosquito then bit a non infected human host, the infected stage of the bacteria will enter the bloodstream vai the salivary gland of the mosquito.

Cold and Flu
Body Temperature

Is a fever of 100.8 a high fever for an adult?

No, but it's only 0.2 F. degrees away from what would be considered a high fever. Oral temps between 99.5 F. and 100.0 F. are MILD fevers, and 100.1 F. to 100.9 F. are MODERATE fevers. 101.0 F.and over is a high fever, and 104.0 F. or more needs immediate medical attention. However, you can still have a fever at as low as 99.0 F. taken orally (this is called a "low grade fever").

Body Temperature

How does the skin help maintain body temperature?

By the integumentary system

Public Health and Safety
Body Temperature

What is the normal body temperature of a 1 month old baby?



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