Early signs
- Panting or breathing that is heavier than expected
- Restlessness or seeking shade
- Excess saliva
- Slowing down or refusing activity
- Very warm skin or ears
Severe signs
- Vomiting or diarrhea
- Stumbling or weakness
- Confusion
- Collapse
- Seizures or unconsciousness
Immediate response
- Stop activity and move to shade or air conditioning.
- Use cool water and fans; avoid ice-water immersion.
- Call an emergency veterinary facility.
- Transport promptly while following instructions.
High-risk pets
Short-nosed breeds, overweight pets, seniors, very young animals, thick-coated pets, and animals with heart or airway disease can overheat more quickly.
Prevention
Adjust walks, never leave pets in vehicles, provide water and shade, and choose indoor enrichment during dangerous weather.
Which pets can overheat more quickly?
Any pet can become overheated, but the margin for error may be smaller for flat-faced breeds, very young or senior animals, overweight pets, animals with heart or breathing disease, and pets that are not acclimated to warm weather. Humidity, direct sun, hot pavement, poor ventilation, and excitement can make a moderate temperature more dangerous than it first appears.
What to do while arranging veterinary help
- Move the pet to shade or air conditioning immediately.
- Stop exercise and remove unnecessary insulating gear.
- Offer small amounts of cool water only if the pet is alert and able to swallow normally.
- Use cool—not ice-cold—water on the body and direct moving air across damp fur.
- Call a veterinary clinic for transport and cooling instructions.
Do not force water, cover the pet with heavy wet towels, or delay transport because the pet appears better after a few minutes. Internal body temperature can remain dangerous even when panting slows.
Prevent repeat exposure
- Schedule walks for cooler parts of the day.
- Carry water and provide frequent rest in shade.
- Use the seven-second hand test before asking a dog to walk on pavement.
- Never rely on cracked windows or a quick errand to make a parked vehicle safe.
- Know where the nearest emergency clinic is before traveling.
After a suspected heat injury, follow the veterinarian’s monitoring instructions even when the pet seems normal at home.
Frequently asked questions
Can cats overheat even if they do not pant?
Yes. Cats may show restlessness, drooling, rapid breathing, weakness, vomiting, or collapse. Panting in a cat is always worth taking seriously.
When should cooling stop?
Follow emergency-veterinary instructions. Overcooling is possible, and transport for evaluation should not be delayed.