How to Lower Body Temperature

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How to Drop Your Core Temperature

Two Methods:

The core temperature of the average adult human is normally around 98.6 °F (37.0 °C), but may vary depending upon certain conditions. If you're partaking in physically exerting activities in a hot environment, or sometimes just exposed to a hot environment for a prolonged period of time, your body temperature could rise to dangerous levels. If your body temperature reaches 104 °F (40 °C), you could experience heatstroke.Dropping your temperature too low can be equally dangerous, however, with only a three degree reduction in body temperature (95 °F (35 °C)) needed to induce hypothermia.Lowering your core temperature for short periods of time can help you avoid heatstroke, improve sleep, or reduce a fever, but it's important to know how to do this safely.


Using Medically-Verified Methods

  1. Drink cool fluids.Drinking plenty of cool fluids, up to 2 to 3 liters (0.5 to 0.8 US gal) at a time, is a good way to lower your core temperature quickly and safely.
    • Drinking adequate amounts of water can prevent dehydration, which is important in hot environments and during physically-demanding activities.
    • Sugary drinks and popsicles are not as good as pure water, because sugary drinks are not adequately absorbed by the body and can lead to further dehydration.
  2. Eat crushed ice.Studies suggest that ingesting crushed ice can be an effective way to quickly and easily cool the body. Crushed ice will also help keep the body hydrated.
  3. Take a cold shower or ice bath.Doctors generally agree that cooling the skin is the most effective method of lowering the body's temperature, especially when the person is at risk of heat stroke. Taking a cold shower or soaking in an ice bath can be particularly effective at cooling the skin quickly, particularly in high-humidity environments in which the body is no longer able to adequately sweat.
    • Allow cold water to run over the scalp, as this is the site of a confluence of blood vessels. Cooling the scalp can quickly cool the rest of the body.
  4. Place ice packs on your body.Certain areas of the body emit more sweat to aid in cooling down your core temperature. These areas, called hot spots, include the neck, armpits, back, and groin. Positioning ice packs on these crucial areas can help cool you down and lower your core temperature.
  5. Relax in an air conditioned environment.Experts suggest that air conditioning is one of the biggest factors in preventing heat stroke and heat-related deaths.
    • If you do not have an air conditioner in your home, try staying with a friend or relative during hot or humid spells, or contact your local health department to find an air-conditioned shelter near you.
  6. Sit in front of a fan.Whenever a liquid, in this case sweat, evaporates off the body, the hottest molecules of liquid evaporate the quickest. Since the air temperature is generally cooler than your skin's temperature, sitting in the direct path of a fan’s air while sweating can help drop your body's temperature.
    • If you are not sweating enough to cool your body down due to age or health problems, you can try misting your body with cool water while sitting in front of a fan. Just fill up a spray bottle from the faucet and mist your body as needed while the fan blows in front of you.
  7. Take fever-reducing medications.Antipyretic (temperature reducing) medications are a safe and easy way to lower your body temperature in case of a fever. These medications work by inhibiting your body's production of cyclooxygenase and lowering your body's levels of prostaglandin E2. Without the help of an antipyretic, these substances cause the cells in the hypothalamus (the part of the brain that regulates temperature) to fire at a rapid rate, increasing the body’s temperature.
    • Examples of these medications include acetaminophen, aspirin, and nonsteroidal anti-inflammatory drugs (NSAIDs) such as ibuprofen and naproxen.
    • Aspirin is not recommended for children and teenagers suffering from viral illnesses (including the flu or chickenpox), as it can lead to the development of Reye's Syndrome, a rare but potentially fatal disease that damages the brain and liver.
    • The dosage of these medications varies depending on your age. Check the recommended dosage on the label and do not exceed the recommended daily dosage. Consult with your physician for proper dosages and recommendations on over-the-counter medications.

Making Lifestyle Changes

  1. Avoid extreme or strenuous activities.If you engage in strenuous and vigorous activities, especially during hot or humid weather, your body will heat up due to the expense of energy and physical exertion.
    • Try exercising in less physically demanding ways, such as walking or cycling. If you insist on maintaining your usual level of workout intensity, be sure to take frequent breaks and avoid over-exerting yourself.
    • Swimming can also be a good way to naturally lower your body temperature while exercising, because you will be submerged in cool water.
  2. Wear light colored and loose-fitting clothes to reduce heat retention.It's important that your clothing allows air to circulate over your skin to cool you off, but you also want to be sure that your skin is covered to prevent additional sun exposure.
    • Light-colored clothing reflects the sun's light rather than absorbing it, thereby lowering the level of heat in the body. Avoid wearing dark colored and thick clothes, as these clothes are known to attract and trap heat.
  3. Avoid eating spicy and fatty foods.Hot and spicy foods can increase your metabolism, acting like stimulants to elevate your body temperature.
    • The compound found in chili peppers, capsaicin, naturally raises your body's temperature.
    • Food with a high fat content can lead to more heat being trapped in the body by increased levels of fat stored in the cells. This is because fat is responsible for storing heat in the body and making the body warmer.

Community Q&A

  • Question
    My core body temperature stays up. I've tried placing cold, wet towels on my body and wetting my hair. My entire body stays swollen and swells worse when I'm extremely hot. My kidneys even hurt, like they are spasming. I feel really faint and extremely nauseated. What else can I do to relieve this?
    wikiHow Contributor
    Community Answer
    Consult your primary care physician, since this might be a sympton of something else. You may even want to go to the emergency room.
  • Question
    Can I lower my body temperature too much by using an ice machine for three hours?
    wikiHow Contributor
    Community Answer
    Yes it's possible, dangerous, and expensive.
  • Question
    How do I make my body cold?
    wikiHow Contributor
    Community Answer
    Ice or air conditioning can help, or read the article and follow the tips listed in it.
  • Question
    Does drinking ice water cool the body, or does it make it warmer?
    wikiHow Contributor
    Community Answer
    Drink ice water helps cool the body. As suggested in the article, drinking liquids and eating crushed ice help cool the body. Drinking ice water is essentially doing both.
  • Question
    How to reduce extreme body temperature generated after weight training?
    wikiHow Contributor
    Community Answer
    A cold bath or shower right away, and lots of cold water. Even better, cold water with fresh lemon juice squeezed into it, as too much water can cause your body to lose electrolytes, and all citrus fruits contain electrolytes. Avoid weight training in a way that causes an extreme rise in body temperature; as the article suggests, take mini breaks during strenuous exercise, and remain hydrated the entire time.
  • Question
    Why when I come in the house AC makes me feel cool for a little then I feel hot?
    wikiHow Contributor
    Community Answer
    You feel cool initially because the temperature is cooler than outside, but then your body adjusts to the temperature which can make you feel warmer. Consider getting your aid conditioner checked too. The condenser could not be working reliably which would cause the temperature to fluctuate.
  • Question
    Is 99.3 temperature for a 79 year old woman that had her gallbladder removed 2 days ago dangerous?
    wikiHow Contributor
    Community Answer
    it's possible. It could be a low grade infection. Contact her doctor, because after surgery it isn't a good idea to take any chances regarding fever or possible infections.
Unanswered Questions
  • How do I keep my core temperature normal when I'm working out?
  • How do you get bad water out of your body? Do you balance purified water with food intake? Or just water for so many hours?
  • What do I do if my body is producing too much heat?
  • How can I keep my core temperature down at night without air conditioning?
  • Am so cold, with high fever, then catarrh and cough, for two days now. What can I do to reduce the temperature?
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Date: 07.12.2018, 19:05 / Views: 84475