You can’t actually “stop” a hot flash mid-event — the cooling cascade, once it starts, has to run its course. What you can do is shorten it, reduce the intensity, and be less miserable while it happens.

The 90-second tactics

Cool your core. Cold water on your wrists, neck, or sternum. Ice chip in your mouth. Cold drink that you sip slowly. The goal is to speed up the cooling phase of the flash so it ends faster.

Paced breathing. Slow, deep breathing (about 6 breaths per minute) through a hot flash has modest evidence for reducing perceived intensity. More importantly, it keeps you from spiraling into panic.

Strip off a layer. Layered clothing is your friend. A cotton tank under a cardigan lets you drop 5 degrees in 10 seconds.

Find cooler air. A step outside. A fan. Lowering a window. Don’t white-knuckle through in a warm room if you have options.

The “emergency kit” for outings

Many women keep a kit:

  • A cooling towel or cooling necklace (activates with water)
  • A portable hand fan
  • A spare cotton top
  • A small cold pack if bag space allows

The 30-second physiology

Your hypothalamus mistakenly perceives that your body is overheating and triggers the full cooling response: vasodilation (that rush of heat to the skin), sweating, and sometimes heart rate elevation. It’s a false alarm, but physiologically it’s the real deal. Ending the cascade faster is about signaling “we’re cool, we’re cool” to the thermoregulatory center as quickly as possible.

If night sweats are waking you up

At 3am, the fast-stop protocol looks different because you’re trying to get back to sleep:

  • Kick off covers (not just an arm — torso too)
  • Cool your sheets physically (a cold water bottle, a cooling pad you can tuck in)
  • Don’t turn on bright lights
  • Drink cool water
  • Try to return to bed before fully waking

Full article on the 3am wakeup pattern →

Beyond the emergency response: reducing frequency

All of the above helps you survive a flash. What reduces how many you’re having?

  • Eliminate alcohol (or reduce it significantly) — often the single biggest lever
  • Reduce caffeine, especially after noon
  • Keep the bedroom cold — 63–67°F is a reasonable target
  • Address stress/sleep loops — sleep deprivation worsens hot flash frequency
  • Consider prescription options if severity warrants — HRT, fezolinetant, SSRIs/SNRIs, gabapentin
💡 The most under-used lever

Alcohol reduction. If you’re drinking most nights, try 3 weeks without alcohol and see what happens to your hot flash frequency. Many women find this single change reduces flashes by 30–50% — more than most supplements achieve.

When in-the-moment tactics aren’t enough

If you’re having 10+ hot flashes a day, if they’re waking you multiple times a night, or if they are interfering with work or relationships — the 90-second tactics aren’t the answer. Symptoms of that severity deserve a real treatment conversation with a menopause-trained clinician.

More on hot flashes