Why is my kitten drooling?
A little drooling in a kitten is often nothing to worry about — some cats drool when they are deeply relaxed or purring, and teething kittens can dribble as new teeth come through. It is worth getting seen the same day if the drooling is sudden, heavy, or your kitten is also off their food, pawing at their mouth, or seems unwell in any other way.
Usually not urgent
This is common and often manageable at home — but see a vet if it persists, gets worse, or comes with other changes.
The harmless reasons kittens drool
Happy drooling is a real thing in cats — some dribble slightly when they are extremely relaxed, kneading and purring in your lap, and it usually stops as soon as the fuss does. It is more common in some cats than others and is not a sign of anything wrong on its own.
Teething is another common, harmless cause. Kittens lose their baby teeth from around three to six months old, and the gum discomfort that comes with it can cause mild drooling alongside a bit of reluctance to eat hard food or chew on one side. It usually settles down once the adult teeth are through.
Travel sickness is common in kittens who are not used to the car, and drooling is often one of the first signs, sometimes followed by being sick. It tends to improve with short, gradual exposure to car journeys rather than only travelling for stressful vet visits.
When drooling points to something more serious
Mouth pain is a common cause worth ruling out — a stuck foreign object, an oral ulcer, or early dental problems can all cause excess drooling, often alongside pawing at the mouth, bad breath, or reluctance to eat. A kitten will not be able to tell you where it hurts, so this is a case for a proper look rather than waiting to see.
Some plants and household products are genuinely toxic to cats and can cause drooling as an early sign, sometimes alongside vomiting or lethargy. If your kitten has access to a garden or houseplants, or could have got into cleaning products, treat sudden drooling as a reason to call your vet promptly rather than waiting for other symptoms.
Nausea from an underlying illness can also show up as drooling, particularly if it comes with vomiting, lethargy or going off food. This is not something to guess at from a symptom list — it is exactly the kind of pattern a vet needs to examine properly.
Red flags that mean same-day attention
Ring your vet the same day if the drooling is heavy or sudden, if your kitten is pawing at their mouth or face, if there is any blood in the drool, if they are not eating, or if they seem lethargic, wobbly, or otherwise not themselves. These are not symptoms to manage at home while you wait and see.
A single episode of mild drooling in an otherwise bright, eating, playful kitten is far less concerning than any of the above, but if you are ever unsure, a phone call to your vet costs nothing and is always the safer choice with a young kitten.
It is always reasonable to call your vet for advice even when you are not sure the drooling counts as an emergency — a receptionist or vet nurse can help you judge whether it needs to be seen today or can wait for a routine appointment, and that judgement is safer coming from someone trained to make it.
How a vet works out the cause
A vet examining a drooling kitten will typically start with a proper look inside the mouth, checking teeth, gums and the back of the throat for anything stuck, ulcerated, or otherwise abnormal, since this rules out or confirms the most common physical causes quickly.
If the mouth looks normal, they will consider your kitten's wider history and any other symptoms — appetite, energy, vomiting, or known access to plants or household chemicals — to build a fuller picture rather than guessing from the drooling in isolation. This is exactly why a phone description alone is rarely enough to work out what is going on.
What can help
Things we stock that owners commonly use alongside a vet’s advice — not a substitute for it.
Leucillin Antiseptic Skincare Spray for Cats & Dogs
A versatile, alcohol-free antiseptic spray that cleans, soothes, and helps protect your pet's skin from bacteria, viruses, and fungi.
From£16.49
Absorbent Cotton Gauze Swabs for Pets – Pack of 100
Highly absorbent, low-lint cotton gauze swabs produced in clean conditions — a practical first-aid essential available in three size and ply combinations.
From£4.49
MPS Medical PetS Boot – Waterproof Paw Protector
A vet-recommended waterproof boot that keeps bandages, dressings, and casts dry during walks and wet weather.
£30.49
NanoSanitas Advanced No-Brush Dental Gel for Dogs & Cats
A brush-free dental gel for dogs and cats, formulated with silver nanoparticles and papaya extract to help reduce plaque and freshen breath.
£14.99
Common questions
- Is it normal for kittens to drool when purring?
- Yes, some cats drool when they are extremely relaxed and purring, often while being stroked or kneading. It is a harmless habit in many cats and usually stops as soon as they settle or you stop fussing them, rather than continuing for hours.
- Can teething cause a kitten to drool?
- Yes, kittens lose their baby teeth from around three to six months old, and the gum discomfort can cause mild drooling alongside some reluctance to chew hard food. It should settle as the adult teeth come through, and soft, safe chew toys can help during this stage.
- Why does my kitten drool in the car?
- Travel sickness is common in young cats who are not used to car journeys, and drooling is often an early sign, sometimes followed by vomiting. Short, gentle practice trips that are not always about a vet visit can help a kitten get more used to travelling over time.
- When should I take my kitten to the vet for drooling?
- See your vet the same day if the drooling is sudden or heavy, if your kitten is pawing at their mouth, not eating, seems lethargic, or there is any blood involved. These signs point to something that needs a proper examination rather than something to watch at home.
Related
Sources
Written against guidance published by UK veterinary and welfare organisations. Always confirm specifics with your own vet.
Written by Matt Garnett, who runs Giddy Pets and is a lifelong pet owner — not a vet. This is general information, not veterinary advice, and it cannot replace an examination by the vet who knows your animal. How we write these guides.