Panting is when dogs breathe rapidly with their mouth open and tongue hanging out like a slobbery yo-yo. You know what we’re talking about. So other than as an effective method of drool distribution, why do they do it?
Some dogs may occasionally pant when they’re excited or afraid, but the main reason is to help keep themselves from overheating.
In a recent IAMS™ survey,* a majority of dog parents believed that dogs have sweat glands. But dogs don’t sweat like humans do. “We have glands all over our body. Dogs can’t do that,” says Opens a new windowDr. Jo Gale, BVetMed CertLAS MRCVS, Senior Manager, Global Science Advocacy at Waltham Petcare Science Institute. “They have sweat glands on their paw pads, but that’s the only place.” They rely on panting to let out warm air and bring in cooler air. All that drool and fluid in their mouth helps dissipate the heat as well. It’s like a big soggy air conditioner.
Most mammals, and even many birds, pant to regulate their temperatures. Humans are some of the only creatures who cool down by perspiration. Imagine what dogs think of us losing fluid from all over our bodies, sweating through our clothes and needing to wipe our faces all the time. Fortunately, they love us anyway.
Panting is normal, but it expends lots of water, so make sure Fido’s bowl is full of clean, cool H2O, especially during warmer months.
Opens a new windowDr. Tammie King, Applied Behavior Technical Leader at Waltham Petcare Science Institute, suggests “seeking out cool shade, giving them water and stopping physical activity.”
And it goes without saying — but we’re going to say it anyway — that you should never leave your dog in your vehicle on hot days. Even if they’re driving. Which you shouldn’t let them do either.
Some dogs run a higher risk of overheating. “It’s very easy for dogs to overheat on very hot days,” cautions Dr. Jo Gale. “Any dog with a squashed face — bulldogs, pugs, Pekingese — their nasal passages are not able to cool the air as much.” She added that dogs with heavy coats, overweight dogs, and very old or very young pets also can’t control their body temperature as effectively.
If your pooch seems to be panting more than usual or at unusual times, check to see if they’re having trouble breathing, are shaking, or their gums or tongue have noticeably changed color. If so, make sure they have access to water, get them to a cool place and contact your vet.
*Surveyed U.S. dog owners, age 18+
Sample Size: n=201
Fielded May 8-10, 2020



There’s no doubt dogs are affectionate creatures. And they have numerous ways of showing it. So what’s the deal when your furry friend comes up and gives you a big ol’ pooch smooch? Let’s take a tongue-in-cheek look into why.

Dogs are oral creatures and gather a lot of information about their surroundings through taste and smell. Maybe you’re salty after a sweaty run. Maybe you’ve got barbecue sauce on your face. “Dogs can smell a lot better than we can,” says Opens a new windowDr. Jo Gale, BVetMed CertLAS MRCVS, Senior Manager, Global Science Advocacy at Waltham Petcare Science Institute, “so they find a lot more things interesting to lick than we can.” This despite the fact dogs only have about 1,700 taste buds compared to around 9,000 in humans.
In a poll* of dog owners, IAMS™ found a large majority (75%) believe dogs lick people to offer friendliness. That’s definitely a correct assumption. Licking has been a social behavior among dogs since the days of great-great-great granddaddy wolf. 'It’s a standard canine greeting to lick others around the face,” agrees Opens a new windowJames Serpell, B.S., Ph.D., Professor of Humane Ethics & Animal Welfare at the University of Pennsylvania School of Veterinary Medicine. “Junior members of the pack will run around and lick the mouths of more senior members.” Your dog considers you part of their pack, so it’s their way of greeting and welcoming you. Or maybe you still have that barbecue sauce on your face.
In ancient Greece, dogs at the shrine of Asclepius were trained to lick patients. In the Middle Ages, Saint Roch was said to have been cured of a plague of sores through his dog’s licks. The French even have a saying, “langue de chien, langue de médecin,” which translates to, “a dog’s tongue, a doctor’s tongue.”

Don’t cancel your health insurance just yet. While dogs’ saliva does have some possible bactericidal properties against some types of bacteria, it can put you at the risk of exposure to others. Too much licking can also reopen the wound and cause further infection. With modern medicine, you’re much better off hitting the first-aid kit.
And that myth about dogs’ mouths being cleaner than humans’? Not true — both contain over 600 types of bacteria. You’re welcome for that image.
While an occasional canine kiss is “aww”-inducing, some dogs can overdo it to the point of annoyance. When this happens, the best thing to do is “completely ignore it and give no attention,” suggests Dr. Jo Gale. “When they stop, provide them with attention.” Over time your dog will learn to scale back on the smooches.
*Surveyed U.S. dog owners, age 18+
Sample Size: n=201
Fielded May 8-10, 2020