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  9. Why is my cat drooling? The top 7 reasons, revealed

Why is my cat drooling? The top 7 reasons, revealed

TrustedHousesitters blog Author - Sophie Reeve
Sophie Reeve
24 February 20243 min read
A kitten drooling.

Pet parents and seasoned sitters will be no stranger to a little bit of drool. Although it’s typically associated with pooch pals (“cats rule, dogs drool” and all that), furry felines are also known to produce a bit of slobber every once in a while. 

If you notice a damp patch where they’ve been resting or feel the moisture in their fur while stroking their chin, you might wonder “Why is my cat drooling?”. From sickness and stress to a sign of complete comfort, here are seven reasons for cat drooling.

Why is my cat drooling?

1. Total relaxation 

Wondering “Why is my cat drooling when I pet her?”. To answer this, we need to take a trip down memory lane to your cat’s kittenhood, when they would have pressed their little paws against their mom’s belly to get milk. The feeling of comfort mixed with the anticipation of a tasty snack would have got your kitten drooling, and it’s a habit that many don’t outgrow.

Fast forward to adulthood, and our feline friends still adore making biscuits on their favorite humans or soft spots when they’re feeling happy and relaxed, and a little bit of drool here and there may simply be their stamp of approval. 

2. Stress and anxiety

Ever popped your fluffy friend in the car for a visit to the vet, only to wonder “Why is my cat drooling all of a sudden?”

Cats are creatures of habit, and the slightest change in their daily routines can be extremely unsettling for them. Moments of stress and anxiety such as car rides and visits to the vet may lead to drooling temporarily, which isn’t normally cause for concern. That being said, pet parents should think about ways to dial down the drama on these outings (or ordeals) to make their kitty cat more comfortable. 

3. Nausea and vomiting

You might notice your cat drooling a lot if they’re feeling nauseous or they’ve been vomiting. A variety of culprits including parasites, diseases, and gastrointestinal conditions could be stirring up trouble in their tummy.

Talk to your vet about running diagnostic tests and recommending the best course of treatment for your furry friend’s upset tum.

4. Exposure to a toxin

A curious cat might drool excessively after a close encounter with some sort of toxin, from poisonous plants and foods to toxic chemicals and cleaning products.

If you suspect your furry friend has been exposed to a toxin of some kind, take them to the vet immediately. There, they may administer medication or induce vomiting to make your purr pal feel better.

5. Dental issues  

Problems in your furry feline’s mouth may go undetected for weeks, and painful diseases in the gums and teeth can also cause excessive drooling in cats. 

Your vet will examine your cat’s mouth to check for infections, mouth ulcers, abscesses, and signs of gum disease or tooth resorption. They may recommend dental cleaning or even tooth extraction, and your furry friend might require a course of antibiotics.

6. Mouth injuries

From a nibble of an electric cord to a tussle with another kitty, there are plenty of situations that can cause injury to your furry friend’s mouth, leading to a little bit of extra drool.

7. Something’s stuck

If your furry friend has eaten something that won’t go down, this might cause sudden drooling and even vomiting. Foreign objects stuck in the mouth or esophagus should be considered a medical emergency, and may need to be surgically removed by a vet.

The bottom line is that drooling is not typically cause for concern if short-lived, but constant drooling may be a sign of a health problem, particularly if you spot other worrying symptoms. 


Scheduling regular check-ups at the vet helps catch any issues early on, but if your furry friend develops a slobbery mouth between these check-ups, it’s a good idea to reach out to your vet for advice. 

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