Nasopharyngeal Polyps in Cats: Signs and Care Options

A young cat starts breathing noisily. The sound is there when she is awake, not just asleep, and it has a wet, snorting, congested quality. Perhaps she has had repeated courses of treatment for suspected cat flu that helped a little and then stopped helping. Perhaps her head has started tilting slightly to one side, or one ear keeps producing discharge no matter what is done for it.

This combination should raise a specific possibility in a veterinarian's mind: a nasopharyngeal polyp. These are benign growths that arise from the lining of the middle ear or the Eustachian tube — the narrow passage connecting the middle ear to the back of the throat — and extend into the space behind the nose and soft palate, or outward into the ear canal.

The encouraging part of this diagnosis is that polyps are not cancer and are often resolved with a relatively straightforward procedure. The frustrating part is that they are frequently mistaken for chronic upper respiratory infection for months before anyone looks in the right place. This guide explains what to watch for, how the diagnosis is made and what care options generally involve.

Important: This article shares general educational information for pet owners and is not a substitute for an in-person veterinary examination, diagnosis, or treatment. For any medical concern or emergency, contact your veterinarian promptly.

What a Nasopharyngeal Polyp Is

A nasopharyngeal polyp is a benign, non-cancerous mass of inflammatory tissue. It typically originates from the lining of the middle ear cavity or the Eustachian tube, and grows on a stalk. Because it has somewhere to grow into, it extends along the path of least resistance.

Where it ends up determines the signs. A polyp that grows down the Eustachian tube into the nasopharynx — the space above the soft palate at the back of the throat — sits directly in the airway and causes respiratory noise and congestion. A polyp that grows outward through the eardrum into the ear canal causes ear signs instead. Some cats have both.

Despite being benign, polyps cause real problems simply by occupying space. A mass sitting in the back of the throat obstructs airflow, interferes with swallowing, and can become large enough to cause serious breathing difficulty. Benign in this context means non-cancerous, not harmless.

Which Cats Are Affected

Nasopharyngeal polyps are most commonly diagnosed in young cats — often under two or three years old — though they can occur at any age. There is no strong breed association, and they occur in both pedigree and non-pedigree cats.

The underlying cause is not firmly established. Chronic inflammation in the middle ear, previous upper respiratory infection, and a possible congenital origin have all been proposed, and it is likely that more than one route exists. What is clear is that they are an inflammatory rather than a neoplastic process.

In older cats, a mass in the same region raises a wider set of possibilities, including tumours. That is one reason age influences how thoroughly a veterinarian investigates, and why a mass found in a senior cat is never assumed to be a simple polyp.

Signs to Watch For

The presentation depends on which way the polyp has grown, and many owners describe the signs as gradual and easy to normalise until they become obvious.

Respiratory and throat signs

• Noisy breathing while awake — a snorting, snuffling or rattling sound that is present during normal activity, not only during sleep.
• Persistent nasal discharge — often from one side, and often unresponsive to repeated courses of treatment.
• Open-mouth breathing — a serious sign in cats at any time, and a reason for immediate veterinary attention.
• Gagging, retching or altered swallowing — some cats make repeated swallowing motions or gag after eating.
• Voice change — an altered or hoarse meow.
• Reduced appetite — difficulty smelling food and discomfort swallowing both reduce intake.

Ear and neurological signs

• Head tilt — a persistent tilt to one side.
• Recurring ear discharge or infection — particularly one ear that never fully resolves.
• A visible mass in the ear canal — sometimes noticed during a routine ear examination.
• Balance problems — unsteadiness, circling or flicking eye movements.
• Drooping of one side of the face — changes to the eyelid, pupil size or third eyelid on one side.

Any cat with a persistent head tilt, unsteadiness or facial asymmetry should be examined promptly, since these signs indicate involvement of structures beyond the ear canal itself.

Why It Is So Often Misdiagnosed

Nasal discharge, sneezing and congestion in a young cat are overwhelmingly likely to be upper respiratory infection, which is extremely common. Treating empirically for that is entirely reasonable the first time. The problem is what happens when it does not fully resolve.

A polyp produces signs that are persistent, usually one-sided, and often only partially responsive to treatment — because reducing inflammation around the mass improves the airway temporarily without removing the mass itself. Each partial improvement makes it look as though treatment is working, which delays further investigation.

The practical message for owners is simple. If your cat's respiratory or ear signs keep returning, are consistently one-sided, or have never completely cleared, say so explicitly and ask whether a structural cause has been ruled out. A clear timeline of what has been tried and how the cat responded is genuinely useful information for your veterinarian.

How Veterinarians Diagnose It

Diagnosis usually requires sedation or general anaesthesia, because the relevant areas cannot be examined properly in a conscious cat. A full oral examination with the soft palate gently retracted allows the nasopharynx to be visualised directly, and this alone identifies many polyps.

Otoscopic examination of the ear canals is performed at the same time, looking for a mass or for changes to the eardrum. Imaging is commonly used to assess the middle ear cavity and determine how far the disease extends — radiographs may be used, while CT provides considerably more detail and is often preferred where available. Endoscopy of the nasopharynx is another option.

Any tissue removed is typically submitted for histopathology to confirm that it is an inflammatory polyp and not something else. This step matters, particularly in older cats, and it is a normal part of good practice rather than a sign that anything worrying is suspected.

Treatment Approaches

Polyps do not resolve on their own, and medication alone does not remove them. Treatment is physical removal, and there are two broad approaches. Your veterinarian will discuss which is appropriate based on where the polyp is, how extensive the middle ear involvement appears on imaging, and your cat's individual circumstances.

Traction avulsion is the less invasive option: the polyp is grasped and steadily removed via the mouth or ear canal. It is quicker, has a shorter recovery, and works well for many cats. Its limitation is that a portion of the stalk may remain in the middle ear, and recurrence is recognised as a real possibility afterwards.

A ventral bulla osteotomy is a more involved surgical procedure that opens the middle ear cavity itself, allowing the origin of the polyp to be addressed directly. It carries a lower reported recurrence rate but is a bigger operation with a longer recovery and a different set of potential complications. Some cats are managed with traction avulsion first, with surgery reserved for recurrence. Your veterinarian may recommend referral to a surgical specialist.

Recovery and What to Expect Afterwards

Many cats improve remarkably quickly once the obstruction is removed. Owners frequently report that the breathing noise disappears within a day or two and that appetite and energy return alongside it. Seeing how much better a cat becomes often makes it clear how much they had been struggling.

Aftercare is directed by your veterinary team and typically involves prescribed medication, a quiet confined recovery period, and a recheck appointment. Follow the discharge instructions closely, particularly around activity restriction and any ear treatment, and complete any prescribed course even if your cat seems entirely well.

Some cats are left with residual signs. A head tilt may persist, and certain nerve-related changes such as an altered pupil or drooping eyelid on one side may improve slowly or remain permanently. These are usually cosmetic rather than uncomfortable, and most cats adapt to a mild head tilt without any effect on quality of life.

Recurrence and Long-Term Monitoring

Recurrence is a recognised outcome, particularly after traction avulsion, and it is important that owners know this in advance rather than experiencing it as a failure. Recurrence typically shows as the gradual return of the original signs — the breathing noise creeping back, the discharge restarting, the head tilt reappearing.

Keep a note of what your cat's signs were before treatment, including the specific sound of the breathing. That baseline makes it much easier to recognise an early return. Attend recheck appointments as scheduled, even if everything seems fine, and report any recurrence early rather than waiting to see whether it worsens.

If a polyp does return, options remain. Repeat traction avulsion, or surgery if it was not performed initially, are both possible. The outlook overall is generally good, and this is fundamentally a treatable condition rather than one to be managed indefinitely.

Supporting a Cat Through Diagnosis and Recovery

A cat who cannot smell food well and finds swallowing uncomfortable often eats poorly. Warming wet food to release its aroma, offering strongly scented options and feeding small amounts frequently all help. Tell your veterinarian if your cat is not eating, because appetite loss in cats needs addressing promptly rather than waiting.

Keep the recovery environment quiet, warm and predictable, with easy access to food, water and a litter tray so a recovering cat does not have to travel or jump. Reduce household disruption where you can during the first days home.

• Follow medication instructions exactly — including timing and full course length.
• Keep the incision or ear area clean and dry — and check it daily as instructed.
• Restrict activity as directed — no jumping or outdoor access until cleared.
• Monitor breathing — report any return of noise, effort or open-mouth breathing immediately.
• Attend all rechecks — even if your cat appears completely recovered.

Any supplement or general wellness product should be discussed with your veterinarian before use in a cat undergoing treatment. Such products may support general wellbeing as part of a routine, but they are a complement to veterinary care, never a substitute for diagnosis, surgery or prescribed medication.

When to Seek Urgent Help

Most of the signs described here develop gradually and warrant a booked appointment. A few require immediate action.

When taking a cat with breathing difficulty to a clinic, keep handling to a minimum, transport them in a well-ventilated carrier, and avoid stress wherever possible. Call ahead so the practice is expecting you — a cat in respiratory distress should not be waiting in a busy reception area.

The Takeaway for Owners

Nasopharyngeal polyps are benign, they are most common in young cats, and they are generally treatable with a good outcome. The main obstacle to a good result is delay, and delay usually comes from assuming that persistent respiratory or ear signs are just another bout of cat flu or another ear infection.

The pattern worth remembering is persistence and one-sidedness: noise that is always there, discharge from the same nostril, an ear that never fully clears, a head that tilts the same way. Any of these in a young cat justifies asking your veterinarian directly whether a structural cause has been excluded.

If your cat has been treated repeatedly for the same respiratory or ear problem without full resolution, that is worth raising as a specific question at the next appointment. Asking it can shorten a long, frustrating process considerably.