Heatwave Alert - A Guide to Heat Stroke and Heat-Related Illness in Pets

As temperatures rise, pets become increasingly vulnerable to heat-related illnesses. Unlike humans, dogs and cats have limited ability to cool themselves, making them more susceptible to overheating. Heat stroke is a serious and potentially life-threatening condition that requires prompt attention and treatment. Understanding how to prevent, recognize, and respond to heat stress can help keep your pet safe during warmer months.

What Is Heat Stroke in Pets?

Heat stroke occurs when a pet’s body temperature rises to dangerous levels, typically above 104°F (40°C). This can happen quickly in hot weather, especially when pets are exposed to high temperatures, humidity, or poor ventilation. Common situations that can lead to heat stroke include being left in a parked car, excessive exercise in warm weather, or lack of access to shade and water.

Certain pets are at higher risk, including brachycephalic (short-nosed) breeds like Bulldogs and Persian cats, overweight pets, elderly animals, and those with underlying medical conditions.

Signs and Symptoms of Heat Stress in Dogs and Cats

Early recognition of heat-related illness is critical. Mild heat stress can quickly progress to heat stroke if not addressed. Common warning signs include:

• Excessive panting or rapid breathing

• Drooling or thick saliva

• Lethargy or weakness

• Vomiting or diarrhea

• Bright red or pale gums

• Increased heart rate

As the condition worsens, pets may develop more severe symptoms such as:

• Collapse or inability to stand

• Disorientation or confusion

• Seizures

• Loss of consciousness

If you notice any of these signs, especially in combination, it is important to act immediately.

How to Prevent Heat-Related Illness

Prevention is the best way to protect your pet from heat stroke. Here are some key tips:

• Never leave your pet in a parked car, even for a few minutes. Temperatures can rise rapidly, even with windows cracked.

• Provide constant access to fresh water and ensure your pet stays well-hydrated.

• Offer shade and cool resting areas, especially for outdoor pets.

• Limit exercise during peak heat hours, typically between mid-morning and early evening. Walk dogs early in the morning or later in the evening when temperatures are cooler.

• Avoid hot surfaces like asphalt, which can burn paws and increase body temperature.

• Use cooling aids, such as fans, cooling mats, or pet-safe cooling vests.

• Know your pet’s risk level, especially if they are a high-risk breed or have medical conditions.

When to Seek Veterinary Care

Heat stroke is a medical emergency! If your pet shows signs of severe heat stress—such as vomiting, collapse, or neurological symptoms—you should seek veterinary care immediately.

Even if symptoms seem mild, it’s wise to contact your veterinarian for guidance. Heat-related illness can cause internal damage that may not be immediately visible, including organ failure and clotting disorders.

What to Do if You Suspect Heat Stroke

While transporting your pet to a veterinary clinic, you can begin first aid:

• Move your pet to a cool, shaded, or air-conditioned area

• Offer small amounts of cool (not ice-cold) water

• Use cool, damp towels on the body, especially around the neck, armpits, and groin

• Use a fan to promote cooling

Avoid using ice or very cold water, as this can constrict blood vessels and slow the cooling process.

Treatment Options for Heat-Related Illness in Pets

At the veterinary hospital, treatment focuses on stabilizing your pet and preventing complications. Common treatments may include:

• Intravenous (IV) fluids to address dehydration and support circulation

• Active cooling measures, such as controlled cooling with fluids and fans

• Oxygen therapy if breathing is compromised

• Bloodwork and monitoring to assess organ function and detect complications

• Medications to manage symptoms such as vomiting, seizures, or inflammation

In severe cases, hospitalization and intensive care may be required.

Final Thoughts

Heat stroke is a preventable but serious condition that can escalate rapidly. By taking proactive steps to keep your pet cool and recognizing early warning signs, you can significantly reduce the risk. When in doubt, it’s always safer to seek veterinary care sooner rather than later—quick action can make all the difference in your pet’s recovery.

Concerned Your Dog or Cat Has Heat Stroke? 

Contact a veterinarian immediately! You can visit our Burbank or Koreatown location if your pet is showing concerning symptoms. 

Call us at (818) 296-0700 in Burbank or (323) 302-5200 in Koreatown to speak with a member of our care team. We’re here to help with your four-legged loved one’s medical needs!