Dogs

What’s a dog’s normal body temperature?

posted: 05/15/12
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What's a dog's normal body temperature?
Mike Kemp/Tetra Images/Corbis | n Lund/Stephanie Roeser/Blend Images/Corbis | Bozena Cannizzaro/Getty Images

Just because your pet may feel warm to the touch doesn't necessarily mean he has a fever. Dogs normally have a warmer body temperature than humans do. According to the American Kennel Club (AKC), a temperature of 101 to 102.5 degrees Fahrenheit (38.3 to 39.2 degrees Celsius) is typical for pooches, whereas humans' normal body temperature is just 98.6 degrees Fahrenheit (37 degrees Celsius), with an average range of about 97 to 99 degrees Fahrenheit (36.1 to 37.2 degrees Celsius).

Much like humans, a dog's temperature may rise or drop for various reasons, including infection, shock, inflammation, the external temperature, vaccinations or accidentally ingesting something toxic. Usually, it's nothing too serious, and you may not even notice anything's wrong with your pet. However, there are always exceptions.

If your dog's temperature falls below 99 degrees Fahrenheit (37.2 degrees Celsius) or rises above 104 degrees Fahrenheit (40 degrees Celsius), you've got a fairly serious situation on your hands, and should get him to a vet immediately. While there's no definitive sign that a dog is hypothermic (low temperature) or hyperthermic (high temperature), he may exhibit one or more of the following symptoms: lethargy, shivering, stiffness, stupor or decreased activity if it's hypothermia; excessive panting, lethargy, red gums or warm to the touch in the case of hyperthermia.

So, here's the million-dollar question: How do you know for sure what your dog's temperature is?

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Running Hot or Cold
Mike Kemp/Tetra Images/Corbis | n Lund/Stephanie Roeser/Blend Images/Corbis | Bozena Cannizzaro/Getty Images

It's a myth that you can tell your dog's temperature by checking out his nose; a wet nose doesn't mean all is fine, and a dry nose doesn't mean he's got a fever. The only way to know for certain is to take his temperature.

"We use the human digital thermometers at the vet school," says Dr. Sandi Sawchuk, clinical instructor at the University of Wisconsin School of Veterinary Medicine. "The ones with the flexible end are safer." Don't use a mercury thermometer, which may break inside your dog's body, causing serious harm, or a digital ear thermometer.

"Ear temperatures are unreliable in dogs due to the shape of their ear canals -- you need to be close to the eardrum for a reading," says Sawchuk. "Also, dirty ears or hairy ear canals will affect the accuracy."

First, enlist the help of one other person to hold your dog's head. Then, after putting petroleum jelly on the thermometer's bulb, insert the thermometer about an inch or two into the rectum, depending on your dog's size. Hold the thermometer in place for about 60 seconds, or until the thermometer beeps, then remove gently and read.

If your dog's temperature is elevated, but not dangerously high, have him drink small amounts of water regularly to stay hydrated, but never force him to drink. And certainly don't give him fever reducers designed for humans, since they may be poisonous to a canine. If your dog's temperature is elevated due to excessive heat or exercise, this is a slightly more serious situation, and you need to act quickly to prevent his condition from progressing to heatstroke. Get him out of the sun and heat immediately, then apply cold cloths and/or ice on his body, especially the feet and ears.

If your dog's temperature is low (hypothermia), keep him warm with blankets and hot water bottles, plus minimize his activity. A heating pad applied to his torso may help, too, but if you use one, make sure to wrap it in a cloth first to prevent accidental burns.

Even if your pet doesn't appear sick, make sure to check in with your vet if his temperature stays elevated or low. While you may think you know what his problem is -- an ear infection, for example, or too much time playing in the snow -- there could be something else going on.

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