Why is my cat licking their lips?
Lip licking in cats is usually nothing to worry about — grooming, anticipating a meal, or clearing an unfamiliar taste from the mouth. It is worth a closer look when it becomes frequent, happens away from mealtimes, or comes with drooling, bad breath or a reluctance to eat, because that combination points toward dental pain or nausea rather than habit.
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 short answer
Most cats lick their lips at some point most days, and in the large majority of cases it is completely normal. It often follows grooming, comes right before a meal, or happens after tasting something unfamiliar, oily or simply unpleasant.
On its own, occasional lip licking needs no treatment and is not a symptom in its own right. It becomes worth watching more closely when the pattern changes — more frequent than before, happening for no obvious reason, or alongside other signs your cat is not quite themselves.
Why cats actually do it
Taste and smell explain a lot of it. A cat who has just eaten something oily, bitter or new will often lick repeatedly to clear the taste, in much the same way a person might pull a face after trying something unexpected.
Grooming habit accounts for plenty more — lip licking is part of the wider washing routine, especially after eating or handling a toy that smells interesting. Anticipation before a meal is another common and entirely harmless trigger, particularly in cats fed on a fixed routine who have learned to expect food at certain times.
Mild nausea can show up this way too, sometimes with an audible swallow in between licks. It is usually short-lived and settles on its own within a few minutes, but it is worth noting if it turns into a repeated pattern rather than a single passing episode.
When it is worth getting looked at
Ring your vet if the licking is frequent, comes with drooling, pawing at the mouth, obvious bad breath, or reluctance to eat — that combination points toward dental disease, a mouth injury, or something caught between the teeth, and a vet needs to examine the mouth properly to find out which.
Persistent licking alongside vomiting, lethargy or a cat eating noticeably less than usual can also be a sign of nausea from an underlying cause rather than a passing taste reaction. This is general information, not a diagnosis — only an examination can say what is actually going on, so treat licking that is worsening or lasting more than a day or two as a reason to get your cat seen rather than to wait it out at home.
Dental pain is the most common underlying cause
Cats are good at hiding dental pain, and lip licking combined with reduced interest in dry food, chewing on one side of the mouth, or bad breath is one of the more reliable early signs an owner can actually notice. Dental disease is extremely common in cats and often goes unremarked until it is fairly advanced.
A vet check is really the only reliable way to confirm it, since the mouth is awkward to examine properly at home and a cat in pain will often resist having their face handled at all. Routine dental checks as part of a normal vet visit catch most problems well before they reach the point of causing obvious symptoms like this.
What can help day to day
Keeping on top of dental health is the most useful thing an owner can do between vet visits. Dental-specific treats and chews are designed to reduce plaque build-up through the mechanical action of chewing, and using them regularly, alongside brushing if your cat tolerates it, makes a genuine difference over time.
Making sure your cat always has easy access to fresh water helps too — a dry mouth can make ordinary licking more noticeable, and mild dehydration is easy to overlook in cats, who typically drink less than owners assume. Some cats drink more readily from moving water than a still bowl, which is the whole idea behind a pet water fountain.
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£7.99
Pressure-Activated Pet Cooling Mat
Press down, feel the cool — this pressure-activated mat absorbs body heat and stays up to 10°C cooler than the room, with no freezing required.
From£34.99
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
Cordless Filter-Free Cat Water Fountain 3L
A 3L cordless cat water fountain that runs on batteries with no filter cartridges to replace, so it can sit anywhere in the home away from a socket.
From£58.49
Common questions
- Is it normal for cats to lick their lips a lot?
- Occasional lip licking is normal and usually tied to grooming, anticipating food, or an unfamiliar taste. It only becomes a concern if it becomes frequent, happens for no obvious reason, or comes with other signs like drooling or reduced appetite, in which case it is worth mentioning to your vet.
- Can lip licking mean my cat has dental problems?
- It can, particularly when it comes with bad breath, chewing on one side, or reduced interest in dry food. Cats hide dental pain well, so these small behavioural changes are often the first thing an owner notices, and a vet check is the only way to confirm what is causing it.
- My cat licks their lips before eating — is that normal?
- Yes, this is one of the most common and harmless reasons for it. Cats fed on a routine often learn to anticipate mealtimes, and licking the lips is a normal part of that anticipation rather than anything to do with their health.
- Should I worry if my cat licks their lips and then vomits?
- A single episode in an otherwise bright, eating, drinking cat is rarely an emergency, but repeated licking followed by vomiting is worth a call to your vet, since it can point to nausea from an underlying cause rather than a passing reaction to something they ate.
- Can stress cause a cat to lick their lips?
- Yes, some cats show anxiety through repetitive behaviours including lip licking, particularly around changes at home or unfamiliar situations. If it appears alongside other new behaviour such as hiding or reduced appetite, it is worth discussing with your vet as a behavioural question as well as a physical one.
- How can I help my cat's dental health at home?
- Regular use of dental-specific treats or chews, and brushing if your cat will tolerate it, both help reduce plaque build-up between vet checks. Encouraging your cat to drink enough water also supports general mouth health, and a fountain can help with cats who prefer moving water to a still bowl.
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.