Why Is It Called a Hot Flash If It Lasts for Hours?

Whoever named this symptom has never experienced one.

Let's talk about the audacity of the term "hot flash."

Flash. Flash. As in quick. Brief. Momentary. A flash of lightning. A flash of inspiration. A camera flash.

You know what doesn't flash? The full-body inferno that starts as soon as I drink a glass of wine or walk into my friend's house who keeps their heat set to 70 degrees. (I don't set mine above 65 downstairs and 62 upstairs. If you're coming over, bring a hoodie.)

The lies we've been told

Here's what the term "hot flash" implies: a brief, passing moment of warmth. A little flush. A temporary inconvenience. Oh, she's just having a hot flash — said dismissively, as if you've simply sneezed.

Here's reality: A single hot flash can last anywhere from 1 to 5 minutes. Some women report episodes lasting 20 minutes or more. And they don't just happen once. Some women experience them 20+ times a day.

I'm just lucky enough to experience them back to back to back. Ugh. Thank goodness for HRT.

Twenty times a day. For years.

"Years?!"

Oh, you thought this was temporary? That's cute.

Research from the Study of Women's Health Across the Nation (SWAN) found that the median duration of experiencing hot flashes is 7.4 years. Not months. Years.

And here's the kicker: if you start having hot flashes early in perimenopause, you're likely to have them longer. Women who began experiencing them in early perimenopause had a median duration of over 11 years.

One in four women still have hot flashes five years after menopause. Eight percent are still having them twenty years later.

This is not a flash. This is a lifestyle.

What's actually happening

The science: during perimenopause, fluctuating estrogen levels mess with your hypothalamus — the part of your brain that regulates body temperature. Your thermoneutral zone (the range of temperatures where your body is comfortable) narrows significantly.

Translation: Your internal thermostat is broken.

Your brain thinks you're overheating when you're not, so it triggers all the cooling mechanisms at once — blood vessels dilate, skin flushes, sweat glands activate. You go from fine to drenched in seconds.

And then, because your body overcorrected, you get the chills.

It's chaos. It's exhausting. And calling it a "flash" is an insult.

Alternative names I'd like to propose

Since "hot flash" clearly isn't cutting it, here are some more accurate options:

What actually helps

I'm not going to tell you to "dress in layers" or "avoid spicy food." You've heard that. If avoiding salsa fixed this, we'd all be cured. I will say, dressing in natural fibers does help me personally.

What the research actually shows:

Hormone therapy works. It's FDA-approved as a first-line treatment for hot flashes and is the most effective option available. Estrogen helps stabilize that broken thermostat.

Some non-hormonal options exist — certain antidepressants (SSRIs and SNRIs) have been shown to reduce hot flash frequency for women who can't or don't want to use HRT.

Lifestyle factors matter somewhat — maintaining a healthy weight, not smoking, limiting alcohol, and keeping your bedroom cool can help reduce severity. But let's be honest: they're not going to eliminate the problem.

The real solution is finding a healthcare provider who takes this seriously and helps you find what works for your body.

The bottom line

Hot flashes aren't a minor inconvenience. They disrupt sleep, affect work, impact relationships, and can tank your quality of life for years.

So the next time someone dismisses your symptoms with a casual "oh, it's just a hot flash," feel free to correct them:

"Actually, it's a recurring thermal event that may continue for the next decade. But thanks for your concern."

Stay cool out there, peri pals. Or try to, anyway.

— Shea

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