Cat Panting with Mouth Open? Do not Ignore This Red Flag!
Tanisha Kumari | Oct 08, 2025, 12:45 IST
Cat panting with mouth open
( Image credit : Freepik )
Cats rarely pant like dogs. If your cat is breathing heavily with its mouth open, it could mean heatstroke, stress, asthma or heart disease. Here it explains normal vs dangerous cat panting, emergency signs and vet treatment. Follow prevention tips so your feline stays safe and healthy.
Cats are quiet breathers by nature so when you see your cat panting with its mouth open then it’s not normal.
Unlike dogs, cats do not pant to cool down. So if your cat does it then something could be wrong. It can be from heat or a health problem. A panting cat might look cute but it could be in trouble and knowing the reason can help you act faster and save your pet’s life.
Is Cat Panting Ever Normal?

Panting can happen if your cat runs too much or plays too hard especially on a very hot day. If your cat pants after playing or being in heat, it should stop once it rests in a minute or two. That short type of panting can be normal but if your cat keeps panting or seems tired then it is not okay. It means you should check for other signs and keep watch.
Too much heat can cause your cat’s body to overheat. If a room has poor air or your cat stays in the sun too long then it can lead to heatstroke causing the cat to collapse. Its tongue can turn dark or bluish which is a life-threatening sign so they should be moved to a cool, shaded area, offered water and vet be called.
Cats will also pant when they are anxious like during travel or when they hear a sound. This panting may end as soon as the cat calms down but repeated stress panting can affect your cat’s heart and health so make sure your cat has a safe space to hide when feeling scared or upset.

Sometimes a cat pants because it cannot breathe well which may be because of feline asthma or a lung infection. If your cat pants along with coughing or wheezing then it could be asthma making the airways tight. You may also hear crackling sounds while it breathes which means the cat needs medical care right away.
Panting can also come from heart disease. When a cat’s heart weakens, fluid can fill its lungs. Your cat may breathe fast, move slowly or faint. The gums might appear blue or pale. If you see these signs then visit your vet immediately because heart issues can be very serious.
A cat in pain might start panting because it cannot stay calm. Poison or toxic plants can also make the body react this way. You may see drooling, shaking or vomiting along with open-mouth breathing. If this happens suddenly then rush to your vet as fast as you can as quick care can save your cat’s life.
The moment you see your cat panting move it to a cool and quiet place. Offer some water if it wants but never force them to drink. Watch for more signs like drooling or weakness and if your cat still pants after a few minutes then call vet right away. Do not wait or try random home methods.
The vet may do tests like X-rays or blood work to see what is wrong. He might also check your cat’s oxygen and chest movement. Sometimes oxygen therapy can calm your cat’s breathing until it feels better.
Based on the cause the vet will prescribe appropriate treatment like antibiotics, inhalers or heart medicine.
Keep your cat indoors during hot hours of the day and avoid letting the cat play too much in hot weather. Give them clean water and a cool space to rest. A shaded area or fan can also help if your cat has thick fur then brush it to keep it cooler.
Routine Vet Checkups

Regular visits to the vet can help catch small problems early as heart or lung issues build up slowly before you notice panting. Exams and blood tests can find these early and a healthy cat with good care is less likely to face serious panting episodes.
Cat’s gums turning blue or collapsing while breathing hard is a sign to get vet help fast. Panting that lasts more than two minutes or comes with drooling or confusion needs action. Do not wait for the cat to calm by itself as it might be losing oxygen.
Calm Action Saves Cats
Staying calm helps your cat too. Cats can sense your panic and get more stressed. Act fast but gently move them into safety as your steady care can make a big difference in recovery and always trust your gut because if you think something feels off then it probably is.
Celebrate the bond with your pets, explore Health & Nutrition, discover Breeds, master Training Tips, decode Behavior, and set out on exciting Travel Tails with Times Pets!
Frequently Asked Questions (FAQs)
Unlike dogs, cats do not pant to cool down. So if your cat does it then something could be wrong. It can be from heat or a health problem. A panting cat might look cute but it could be in trouble and knowing the reason can help you act faster and save your pet’s life.
Is Cat Panting Ever Normal?
Cat panting
( Image credit : Freepik )
Panting can happen if your cat runs too much or plays too hard especially on a very hot day. If your cat pants after playing or being in heat, it should stop once it rests in a minute or two. That short type of panting can be normal but if your cat keeps panting or seems tired then it is not okay. It means you should check for other signs and keep watch.
Heatstroke and Overheating Danger
Panting from Stress or Fear
Trouble in Breathing
Trouble in breathing
( Image credit : Freepik )
Sometimes a cat pants because it cannot breathe well which may be because of feline asthma or a lung infection. If your cat pants along with coughing or wheezing then it could be asthma making the airways tight. You may also hear crackling sounds while it breathes which means the cat needs medical care right away.
Heart Problems That Cause Panting
Pain or Poisoning in Cats
What to Do When Your Cat Pants
How Vets Check Panting Cats
Based on the cause the vet will prescribe appropriate treatment like antibiotics, inhalers or heart medicine.
Tips of comforting Cat at Home
Routine Vet Checkups
Vet checkups
( Image credit : Freepik )
Regular visits to the vet can help catch small problems early as heart or lung issues build up slowly before you notice panting. Exams and blood tests can find these early and a healthy cat with good care is less likely to face serious panting episodes.
Signs That Need Emergency Help
Calm Action Saves Cats
Celebrate the bond with your pets, explore Health & Nutrition, discover Breeds, master Training Tips, decode Behavior, and set out on exciting Travel Tails with Times Pets!
Frequently Asked Questions (FAQs)
- Should water be given to a panting cat?
The cat might be panting because their body temperature increases so giving the pet a bowl of cool water to drink. - What are the symptoms of cat anxiety?
Cat anxiety symptoms include hiding, changes in appetite or litter box use, excessive grooming leading to hair loss, vocalization (meowing, hissing, yowling), aggression and restlessness - What to do if your cat is breathing with its mouth open?
If your cat is breathing with an open mouth for more than a minute then call a veterinary clinic right away