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The Anatomy of a Hot Flash

from Healthy Women’s Menopause Center

By Sheryl Kraft

If you asked a bunch of women which symptoms they associate most with menopause, most would answer with these two words: Hot. Flashes.

Although you might know some lucky soul who went through menopause never experiencing one single hot flash, it's more likely that you know more who are well acquainted with these heat surges that are the hallmark of menopause. Indeed, hot flashes affect between 75 percent and 80 percent of U.S. women.

So, what does a hot flash really feel like? (Asking for a friend.)

Picture this: your body is wrapped, like a mummy, in a heating pad, and someone has flipped the switch to high. There's no way to lower the heat—except to wait. Ten seconds … 10 minutes. Yep, a hot flash can last a verrrrry long time.

It's wintertime. It's freezing outside. But somehow, unlike other years, you only need a very light jacket. And you can't even imagine wearing a hat, because the last time your head was covered and you got a hot flash, your entire head was a soaking mess. It may be wintertime, but you're having your own private summer.

You look like you've just completed a full marathon. Only you haven't. Your face is beet-red, your pulse is quick and you're pouring sweat.

Hot flashes feel differently for everyone. Some get them hardly ever and only get a fleeting feeling of warmth, while others get them multiple times each hour and feel as if their body is on fire.

Why are there some lucky women who don't get them, while others are bullied by them constantly?

Theories abound, including one that says that women who gain weight during menopause will get more extreme hot flashes. Other research says that the women who get hot flashes do so because they have a lower tolerance for temperature changes.

Sounds pretty serious. But are hot flashes dangerous?

No, they're more uncomfortable than they are hazardous. But if you equate "danger" with wanting to jump out of your skin or bite off the head of the nearest person, then maybe the answer would be yes.

Help me understand what is actually going on in my body during a hot flash. It feels like a lot is happening.

Your hypothalamus—the part of your brain responsible for regulating body temperature (along with appetite, sleep cycles and hormones)—detects hormonal shifts and goes on alert, thinking that you're overheating.

Your body gets a sudden, intense surge of warmth; sometimes skin turns red and blotchy. Your skin temperature climbs, beginning at the top third of your body (your face, head and chest).

Blood vessels begin to dilate. Your body struggles to regulate and reduce its temperature and cool off by perspiring.

Your heart pumps faster, and you might feel anxious and chilled as the hot flash lets up (if you lose too much body heat).

OK, so once I've passed through menopause, I can bid my hot flashes goodbye for good, right?

Conventional wisdom tells us hot flashes and night sweats last between six and 24 months. But here's the thing: studies say otherwise. Hot flashes and night sweats last on average for seven years and may continue for 11 years or more.

Give me ways to cope. Please.

The first thing to know is that you might not be able to avoid hot flashes, but you can avoid some triggers, like:

  • Hot weather
  • Smoking
  • Caffeine
  • Spicy foods
  • Alcohol
  • Tight clothing
  • Stress
  • Exercising in the heat

And here are some tips for if you do get hot flashes:

  • Cool down the room
  • Dress in layers
  • Use a fan while you sleep
  • Maintain a healthy weight
  • Practice slow, deep breathing or mind-body practices, like yoga or meditation
  • Wear socks to bed to reduce your core body temperature
  • Sip small amounts of water before bedtime

And, if as they say, all else fails?

Keep the faith. Hot flashes and night sweats do get better—we promise.

While you wait them out, think about all the money you're saving on heating your home or buying sweaters. And how naturally dewy and rosy they can make your skin look.

If these heat surges are really driving you insane, talk with your health care professional. There are many viable, proven and safe options out there.

For more information on the health topics mentioned in this article visit the HealthyWomen.org areas below.

Menopause: www,healthywomen.org/caregory/tags/menopause

Healthy Aging: www.healthywomen.org/ages-and-stages/midlife-and-beyond/aging-well:



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