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Human training (about dogs)

Why Dogs Can’t Sweat: Science your vet would approve of, if they weren’t too busy wrestling a Great Dane named Pickles.

15 Oct 2025
Two dogs sitting on chairs on the beach wearing cooling dog harnesses

Here’s a fun fact that’ll make you immediately panic.
Dogs basically can’t sweat.

Yes, the same animal who sprints in circles for 90 seconds and then collapses like a dying Victorian child has almost no ability to cool itself down.

And yet, every summer, people are shocked when their dog starts acting like a melting burrito on the pavement. Let’s break it down.

 

Sweat Glands: Dogs vs. Humans

Humans are sweaty beasts. We’ve got millions of sweat glands, all working overtime to keep us from spontaneously combusting during a mild jog.
Dogs? Not so much.

Dogs only have sweat glands in one extremely random place: their paw pads. That’s it. That’s the whole system. So unless your dog plans on doing handstands across a cool tile floor, they’re out of luck.


Panting: Nature’s Half-Assed Air Conditioner

So how do dogs cool down?

Panting.

They move air rapidly over their tongue and respiratory tract to evaporate moisture and reduce heat. It’s efficient, like using a straw to put out a house fire. It helps, but only up to a point.

Hot, humid weather? That “cooling system” goes full Windows 95. Dogs can't evaporate heat fast enough, and the internal temps start climbing fast.

 

Oh, and They’re Wearing a Fur Coat

It gets worse.

Imagine sprinting across hot asphalt in July while wrapped in a wool blanket and breathing through a straw. That’s your dog, every summer. Even breeds bred for warmth (hello, huskies) can’t shed fast enough to deal with modern urban heat.

Climate change didn’t get the memo about dog physiology.

 

The Heatstroke Spiral Is Real

Let’s not sugarcoat it: overheating can kill your dog. It happens fast, and it doesn’t always look dramatic.

Early signs:

  • Heavy panting
  • Glazed eyes
  • Sluggishness
  • Lying down and refusing to move (not just being lazy, an actual red flag)

Advanced signs:

  • Vomiting
  • Confusion
  • Collapse

If your dog hits this point, it's not “toughing it out”, it’s in medical crisis mode.


So What Can You Do?

Since your dog’s body doesn’t come with a built-in AC unit, you’ve got two choices:

  1. Avoid the heat entirely (good luck)
  2. Use external cooling tools that actually work

Spoiler: that’s where we come in.
Hoddogs cooling harnesses are designed to help your dog regulate temperature before they start melting into a furry puddle. No sketchy gel inserts. No freezing your dog's dignity. Just legit cooling packs in all the right places.

Because science says they need it. And science doesn’t mess around.

 

Final Bark.

Dogs Can’t Sweat. Help Them Out.

They’re not being dramatic. They’re not “just hot.”
They’re biological furnaces in a heatwave with no off switch.

So gear up, chill them out, and keep the panting to a minimum (unless it’s you, mid-hike, trying to impress someone on a first date).

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