Well-being

Dog heat stroke : symptoms, treatment and what to do

Summer can be just as tough on our dogs as it is on us. But unlike people, dogs can't cool themselves down as easily. When they can no longer regulate their body temperature, heat exhaustion can quickly progress to dog heat stroke, a life-threatening emergency.

Excessive panting, unusual tiredness, vomiting, or disorientation are all warning signs that shouldn't be ignored. Dog heat stroke is a medical emergency that requires immediate veterinary care. Knowing how to recognize symptoms of dog with heat stroke, respond quickly, and prevent it from happening could save your dog's life.

Can dogs get heat stroke? A risk you shouldn't underestimate

It occurs when a dog's body temperature rises to dangerously high levels. A healthy dog's normal body temperature ranges from 101°F to 102.5°F. Once it exceeds 104°F, the body struggles to cool itself.

Unlike humans, dogs don't sweat through their skin. Instead, they rely mainly on panting to release excess heat. During periods of extreme heat or intense physical activity, this natural cooling system can become overwhelmed. As a result, heat stroke in dogs can develop very quickly.

Some dogs are more vulnerable than others. Brachycephalic breeds such as French Bulldogs, Pugs, and English Bulldogs are especially sensitive because their shortened airways make panting less effective. Highly active breeds like Golden Retrievers, dogs with underlying health issues, overweight dogs, puppies, and senior dogs are also at greater risk.

When is it too hot for dogs?

This is one of the most common questions pet parents ask. The answer depends on your dog's breed, age, health, and activity level, so there isn't a single temperature that applies to every dog.

However, once outdoor temperatures reach 77°F, it's important to start taking precautions.

When temperatures climb above 86°F, it's best to limit physical activity, shorten walks, and avoid spending time outdoors during the hottest part of the day. During periods of extreme heat, even resting outside can expose some dogs to dangerous overheating.

One of the biggest risks comes from parked cars. Even if the windows are cracked open, the temperature inside a parked vehicle can rise dramatically within minutes. A dog left in a parked car can develop heat stroke in a very short time, making it one of the most preventable yet common causes of heat-related emergencies.

Did you know?

Most cases of dog heat stroke happen after exercising in hot weather or after being left in a parked car or another poorly ventilated space. A dog can suffer life-threatening heat stroke in less than 15 minutes inside a parked vehicle. Learn how to see what are the signs of heat stroke in a dog​.

Dr. Agan, Veterinarian.

What are the symptoms of heat stroke in a dog ?

Symptoms of dog with heat stroke can appear suddenly and become more severe within minutes. Recognizing the warning signs early gives your dog the best chance of a full recovery.

Dog heat stroke symptoms : what are the signs of heat stroke in a dog​ ?

Some of the most common signs and symptoms include:

  • Excessive panting that doesn't slow down  
  • Rapid or labored breathing  
  • Excessive drooling  
  • Bright red or dark red gums and tongue  
  • Restlessness or anxiety  
  • Weakness or unusual lethargy  
  • Vomiting  
  • Diarrhea  
  • Difficulty walking  
  • Loss of coordination or balance  
  • Tremors  
  • Collapse  
  • Seizures in severe cases  
  • Loss of consciousness  

If your dog becomes disoriented, collapses, loses consciousness, or has a seizure, contact your veterinarian or the nearest emergency veterinary hospital immediately. Heat stroke is a medical emergency, and every minute matters.

How to treat dog heat stroke in an emergency

If your dog is showing symptoms of heat stroke, acting quickly can make all the difference.

Move your dog to a cool, shaded area

Move your dog in a quiet, well-ventilated, shaded area, ideally with calming pheromones for dogs to help your dog feel more relaxed.

Cool your dog gradually

Use a damp towel or cool water on your dog's belly, neck, and paw pads.  

Caution: Ice-cold water is not recommended. Cooling your dog too quickly can be counterproductive.

Offer cool water

Provide fresh, cool water and let your dog drink small amounts at their own pace.

Contact your veterinarian immediately

Even if your dog's condition appears to improve, you should seek veterinary care as soon as possible. Heat stroke can continue to affect the body even after your dog's temperature starts to return to normal.

Dog heat stroke recovery time and possible complications

The recovery time after dog heat stroke depends on how high your dog's body temperature became, how long they were overheated, and how quickly treatment was started.

Unfortunately, heat stroke doesn't only affect body temperature. It can damage lead to serious health issues, including:

  • Kidney failure  
  • Liver damage  
  • Heart complications  
  • Neurological disorders  
  • Blood clotting abnormalities  
  • Gastrointestinal damage  
  • Permanent organ damage  

Because some complications develop several hours after the initial emergency, your veterinarian may recommend monitoring your dog even if they appear to feel better.

What is the dog heat stroke survival rate?

The survival rate for dog heat stroke depends largely on how quickly treatment begins.

Dogs that receive immediate veterinary care have a much better chance of making a full recovery than those whose treatment is delayed.

Adjust your dog's walking schedule

Walk your dog early in the morning or later in the evening when temperatures are lower.

Avoid long walks, hiking, running, or vigorous play during the hottest hours of the day. Hot pavement can also burn your dog's paw pads, so check the ground before heading out.

If you're traveling or introducing your dog to a new environment, calming dog pheromones can also help them feel more relaxed during periods of change.

Keep your dog hydrated

Always make sure your dog has constant access to fresh, cool water.

Bring water with you during walks, road trips, or outdoor activities, and encourage regular drinking breaks to reduce the risk of dehydration.

Limit physical activity during extreme heat

Dogs can become overheated much faster than many owners realize.

On very hot days, replace intense exercise with quieter indoor games, short training sessions, or enrichment activities that don't require much physical effort.

Create a cool and reassuring environment

During hot weather, dogs naturally slow down. They naturally seek out cool spots in the house, sleep more, and avoid unnecessary exertion. This is how they adapt to high temperatures.  

But the heat isn’t just a matter of temperature. It changes the daily routines, and the sounds outside. And for dogs, these changes alone can make it harder for them to rest.  We’ve all seen these moments: a dog searching for a spot, settling down and then getting back up, keeping one eye open even when everything is quiet.  

At home, creating a calm environment is part of prevention for pets’ well-being. When windows stay open day and night, fans run constantly, and the daily rhythm changes, some dogs struggle to find peace.   SecureDog Home, a dog pheromone diffuser, helps maintain a calm environment in this daily routine disrupted by the heat. By releasing natural signals familiar to your dog, it promotes relaxation and helps them regain their calm more easily.

But summer is also the season for travel. Whether heading to the beach or the countryside for a weekend or vacation by car, train, or to unfamiliar accommodations, your dog leaves its familiar surroundings just when temperatures are at their highest. This combination can make hot weather even more challenging for your dog. SecureDog Transport, a dog pheromone spray was designed for moments like these: formulated with pheromones, it recreates a familiar, comforting environment wherever you go, ensuring that both the journey and the destination remain a pleasant experience for both you and your dog.

In Summary

During a heat wave, every pet owner can make a difference. Recognizing the early signs of overheating, taking the right steps, and consulting your veterinarian promptly can make all the difference.  

But protecting your pet starts before an emergency arises. Adjusting their walks, ensuring they stay hydrated and cool, and offering them calming pheromones for dogs to create a calm and reassuring environment both at home and on the go are all ways to take care of them on a daily basis during hot weather.

🚨Key points to remember: if your dog has heat stroke:

1- Immediately move them to the shade;  

2- Gradually cool them down with a damp towel;  

3- Let them drink without forcing them;  

4- Contact a veterinarian immediately if symptoms persist or worsen.