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All articles
dog carecanine healthsummer safetypet health

How to check a dog for signs of heat stress during summer

August 14, 20264 min read

Learn how to spot early signs of canine heat stress, including behavioral changes and physical symptoms, to keep your dog safe during hot weather.

In this article
  • What are the early physical signs of heat stress in dogs?
  • How do you monitor a dog's paw pads and hydration levels?
  • What behavioral changes indicate an animal is overheating?
  • Why is rectal temperature measurement sometimes necessary?
  • What is the first step when you suspect heatstroke?

Understanding how to check a dog for signs of heat stress is a critical skill for any owner living in warmer climates. Recognizing the early symptoms of overheating can prevent a life-threatening emergency, as dogs do not sweat like humans and rely primarily on panting and their paw pads to regulate their internal temperature. While this guide provides general warning signs, it does not replace the advice of a medical professional; if you suspect your dog is suffering from heatstroke, you must contact a vets immediately, as this is a time-sensitive condition.

What are the early physical signs of heat stress in dogs?

To identify early heat stress, look for excessive, frantic panting and a bright red, dry, or sticky tongue. A dog that is beginning to overheat will often appear restless, unable to find a comfortable position, and may pace or circle repeatedly in an attempt to cool down. You may also notice that their heart rate is visibly elevated or that they seem unusually lethargic despite their attempts to move around. If your dog exhibits these signs after time spent outdoors or in a warm vehicle, move them to a shaded or air-conditioned area immediately to begin the cooling process.

How do you monitor a dog's paw pads and hydration levels?

Checking a dog's paw pads is essential because these areas are one of the few places where dogs can release heat. If the pads feel excessively hot to the touch or appear cracked or inflamed, it is a sign that the surface they are walking on is too hot, which contributes to overall heat retention. Beyond the pads, monitor their hydration by gently lifting the skin over their shoulders; it should snap back into place instantly. If the skin moves back slowly or stays tented, the dog is likely dehydrated. Ensure they always have access to cool water, and consider using a pet supplies store to find portable bowls that keep water chilled during walks.

What behavioral changes indicate an animal is overheating?

Behavioral indicators often precede physical collapse, making them vital to watch for during summer outings. An overheating dog may suddenly refuse to continue walking, lie down in the middle of a path, or become uncharacteristically unresponsive to voice commands. You might also notice an increase in drooling, where the saliva becomes thick and ropey rather than thin and watery. Some dogs will also begin to show signs of confusion or lack of coordination, stumbling slightly as they walk. Do not ignore these subtle changes, as they indicate the dog's body is struggling to maintain homeostasis and needs immediate intervention.

Why is rectal temperature measurement sometimes necessary?

While observing behavior is important, taking a dog's temperature is the only way to know the severity of heat-related illness. A normal resting temperature for a canine typically falls between 101 and 102.5 degrees Fahrenheit, though you should consult your local vet to establish your specific dog's baseline. Temperatures exceeding 104 degrees are considered concerning, and anything above 106 degrees is a medical emergency that requires immediate professional care. Use a digital thermometer designed for pets and always use a lubricant to ensure the process is safe and comfortable. If you are unsure how to perform this, have your vet demonstrate the proper technique during your next routine visit.

What is the first step when you suspect heatstroke?

The first step when you suspect a dog is suffering from heatstroke is to move them to a cooler environment and begin controlled cooling immediately. Apply cool—not ice-cold—water to the dog’s paw pads, ears, and belly, and use a fan to circulate air around their body. Avoid using ice or ice-cold water, as this can cause blood vessels to constrict and actually trap heat inside the core. Offer small, frequent sips of cool water if the dog is conscious and able to swallow, but do not force them to drink. Once you have initiated these cooling measures, transport the animal to the nearest veterinary clinic for evaluation. Never assume that a dog has recovered simply because they appear to be breathing better; internal organ damage can occur even after the animal stops panting. Occuin encourages all pet owners to keep a list of emergency vet contacts in their phone to ensure they are prepared for such situations.

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In this article

  • What are the early physical signs of heat stress in dogs?
  • How do you monitor a dog's paw pads and hydration levels?
  • What behavioral changes indicate an animal is overheating?
  • Why is rectal temperature measurement sometimes necessary?
  • What is the first step when you suspect heatstroke?

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