# How to Tell If Your Cat Is Deaf or Hard of Hearing If you are wondering how to tell if my cat is deaf, start by watching how your cat responds to everyday sounds when it cannot see you. A cat that never reacts to a can opener, a vacuum, or its name may have hearing loss in one or both ears. This article is educational and is not a substitute for veterinary diagnosis or treatment. ## Quick Answer - Watch for missing reactions to sound, especially when your cat is asleep or facing away from you. - Test quietly at home with a sudden noise behind your cat, but never shout or clap near the ears. - White cats with blue eyes have a higher chance of inherited deafness, but coat color alone does not confirm it [1][2]. - Ear infections, wax blockages, polyps, and age-related changes are common causes of hearing loss that a veterinarian can evaluate [1][2][3]. - Deaf cats adapt well indoors, but they should only go outside on a leash for safety [1]. ## What Normal Cat Hearing Looks Like Cats hear a wider range of frequencies than people do, and they can pinpoint tiny sounds with their swiveling ears. A cat with normal hearing will twitch an ear toward a faint noise, turn its head toward a sound across the room, and wake when you open a cabinet. These reactions are usually quick and automatic. Hearing loss can be partial, one-sided, or complete. A cat deaf in only one ear is especially hard to diagnose without special testing because it still turns toward many sounds [1]. In a group of cats, a deaf cat may copy the others and seem to hear fine [1]. That is why careful observation matters more than a single test. ### Signs Your Cat May Not Hear You Common deaf cat signs include: - No reaction to loud or sudden noises, even when asleep - No ear twitch when you crinkle a bag or jingle keys - Sleeping through sounds that used to wake your cat - Turning only when it sees movement or feels a vibration - Louder than usual meowing, since cats cannot judge their own volume - Startling easily when you touch your cat from behind Some of these signs overlap with other problems. A cat that seems to ignore you may have pain, dental disease, or cognitive changes. Senior cats often have both vision and hearing decline at the same time, and these changes are easy to mistake for normal aging [3]. ## How to Test Your Cat's Hearing at Home You can gather useful information at home, but no home test proves deafness. The goal is to note patterns you can share with your veterinarian. ### The Sound Test Wait until your cat is awake, relaxed, and not looking at you. Stand behind your cat and make a soft, sharp sound, such as tapping two metal spoons together or crinkling a wrapper. Watch for an ear flick, head turn, or body twitch. Repeat with a few different sounds and note which ones get a reaction. Do not clap loudly or shout directly into your cat's ears. A very loud noise can be uncomfortable, and it does not give you better information. If your cat reacts only when it sees you move, that points toward hearing loss. ### The Vacuum and Doorbell Test Everyday sounds are often the best clues. Does your cat react to the vacuum, the doorbell, or a bag of treats? A cat that used to run for the treat bag but now sleeps through it may have lost some hearing. Keep a simple log of which sounds your cat responds to and which ones it ignores. ### What Home Testing Cannot Tell You Home tests cannot confirm one-sided deafness or measure how much hearing remains [1]. Testing is more reliable in kittens after 3 to 4 weeks of age, when sound responses become predictable [1]. If you are unsure, ask your veterinarian about formal testing. ## Common Causes of Cat Hearing Loss Hearing loss in cats falls into two broad groups. Congenital deafness is present from birth, and acquired deafness develops later in life [1]. Some causes are reversible, and some are permanent. | Cause | Typical clues | How urgent | |---|---|---| | Inherited (congenital) deafness | White coat, often with blue eyes, no response since kittenhood [1][2] | Routine visit | | Earwax or debris blockage | Head shaking, scratching, odor, muffled hearing [1] | Routine visit | | Outer or middle ear infection | Discharge, pain when touched, head tilt [1] | Same day to routine, depending on pain | | Inner ear infection | Head tilt, wobbling, vomiting, hearing loss [1][4] | Same day | | Inflammatory polyps | Recurring ear problems, discharge, breathing noise [1] | Same day to routine | | Age-related hearing decline | Gradual loss in a senior cat, often with vision changes [3] | Routine visit | | Noise trauma | Sudden loss after a very loud event [2] | Same day | | Cat-scratch disease | Sudden one-sided hearing loss after a scratch or bite [5] | Same day | ### Inherited Deafness and Coat Color Congenital deafness can be inherited or caused by damage before birth from a virus or a poisonous substance [1]. Cats with white fur and blue eyes are sometimes deaf, but not always [1]. In white Devon Rex cats, one study estimated sensorineural deafness at about 10 percent, with one-sided and two-sided deafness occurring equally often [6]. That study found no link between blue irises and deafness in that breed [6]. Other genes matter too. A variant in the LHFPL5 gene has been linked to deafness with balance problems in a young cat, and this gene helps anchor the tiny structures in the inner ear that detect sound [4]. In Maine Coon cats with dominant blue eyes, a PAX3 variant was tied to hearing loss and white spotting [7]. These findings show that deafness has many possible genetic causes, and breed and color give clues but not answers. ### Acquired Deafness Acquired deafness can come from a blocked ear canal due to chronic outer ear infection, middle or inner ear infections, excess earwax, or damage to the tiny ear bones [1]. Polyps can also cause deafness [1]. If the blockage is cleared or the infection heals, hearing often returns [1]. Cats with bacterial ear infections may regain hearing after antibiotics [1]. Recovery from other causes varies, and there is no treatment for congenital deafness [1]. If your cat has discharge, odor, or pain around the ears, see our guides on [Ear Infections In Cats Symptoms](/knowledge/veterinary-medicine/symptom-guides/ear-infections-in-cats-symptoms) and [Symptoms Of Cat Ear Infection](/knowledge/veterinary-medicine/symptom-guides/symptoms-of-cat-ear-infection). ## Red Flags That Need Emergency Care Some causes of hearing loss come with signs that need urgent attention. Go to an emergency clinic now if your cat has: - A sudden head tilt with stumbling, circling, or falling - Vomiting with balance problems or nystagmus (fast eye movements) - Severe pain when you touch the head or ears - A swollen, hot, or bleeding ear - Sudden collapse, weakness, or trouble breathing - A wound or abscess after a fight or scratch, especially with sudden hearing loss [5] Balance problems with hearing loss point to inner ear trouble [4]. Sudden one-sided hearing loss has been reported with cat-scratch disease, so a recent scratch or bite is worth mentioning to your veterinarian [5]. If your cat is choking, coughing, or struggling to breathe, see [How To Know If Your Cats Choking](/knowledge/veterinary-medicine/clinical-methods/how-to-know-if-your-cats-choking). ## What You Can Do at Home While You Wait You can make life easier and safer for a cat with suspected hearing loss right away. ### Adjust How You Communicate Approach your cat from the front or side so it can see you coming. Stomp lightly on the floor or tap a surface to send vibrations before you touch your cat. Use hand signals, a flashlight, or a laser pointer to call your cat. Many deaf cats learn to come to a specific light signal. ### Keep Your Cat Safe Deaf cats should only go outdoors on a leash [1]. They cannot hear cars, dogs, or other dangers. Inside, block stairs for kittens and senior cats, and keep windows screened. Do not let a deaf cat roam free, even in a fenced yard. ### Protect Sleep and Reduce Startles Never wake a deaf cat by touching it suddenly. Let your cat see you first. Keep a night light on so your cat can see movement in the dark. If your cat also has vision loss, keep furniture in the same place and use baby gates to block hazards. ### Watch the Ears Check your cat's ears weekly for redness, discharge, odor, or swelling. Do not push cotton swabs into the ear canal. If you see debris or smell an odor, call your veterinarian. Ear problems are a common and sometimes reversible cause of hearing loss [1]. ## What Your Veterinarian Will Check Your veterinarian will start with a full history, including when you first noticed the change and whether it was sudden or gradual. They will examine the ear canals, eardrums, and surrounding tissue with an otoscope. They may look for wax, discharge, polyps, or a foreign object. If the ear canal looks clear, your veterinarian may recommend a brainstem auditory evoked response test, often called BAER [2]. This test measures the brain's response to sound and is the most definitive way to diagnose deafness [2]. It can detect one-sided deafness that a home test would miss. Your veterinarian may also check for infection, take samples of discharge, or recommend imaging if inner ear disease is suspected. If your cat has other senior health problems, such as kidney disease, tell your veterinarian about any behavior changes. Pain and discomfort can look like confusion or hearing loss, so see [Cat Kidney Disease: How to Tell If Your Cat Is in Pain](/knowledge/veterinary-medicine/senior-and-chronic-care/cat-kidney-disease-pain-signs) for related signs. Treatment depends on the cause. Clearing a blockage or treating an infection may restore hearing [1]. There is no treatment for congenital deafness, and most other forms of deafness have no specific cure [2]. Your veterinarian will calculate any medication dose from your cat's weight and health. ## Prevention and Monitoring You cannot prevent inherited deafness, but you can lower the risk of some acquired causes. Keep your cat indoors or on a leash to reduce fights, scratches, and noise exposure [1]. Treat ear infections early, and keep up with routine wellness visits. For senior cats, watch for gradual changes. Sensory decline is common in aging cats and is often underrecognized [3]. Ask your veterinarian to screen hearing and vision at annual visits, especially after age 10. If you notice your cat is less responsive, do not assume it is just old age. A veterinary exam can find treatable problems. If you are breeding cats, talk with your veterinarian about genetic testing and hearing screening. Breeders of white cats and breeds with blue eyes can use BAER testing to identify deaf cats before breeding [2][6]. ## Limitations and When to Contact a Veterinarian No article can diagnose your cat. Home tests give clues, not answers, and one-sided deafness is easy to miss [1]. Only a veterinarian can examine the ears, run tests, and find the cause. Contact your veterinarian the same day if your cat has new hearing loss with ear discharge, odor, head shaking, or pain. Go to an emergency clinic now for a sudden head tilt, stumbling, vomiting with balance problems, collapse, or trouble breathing. Schedule a routine visit if the change is gradual, if your cat is a senior, or if you simply want to know whether your cat can hear. Individual cases need a veterinarian who can examine your cat in person. ## Frequently Asked Questions ### Can a deaf cat live a normal life? Yes, most deaf cats adapt well and can live full, happy lives indoors [1]. They rely on sight, vibration, and routine to get around. Keep your cat inside or on a leash, and use visual signals to communicate. ### Do all white cats with blue eyes go deaf? No, coat color and eye color raise the odds but do not guarantee deafness [1]. In one group of white Devon Rex cats, deafness occurred in about 10 percent, and blue eyes were not linked to it in that breed [6]. Genetic testing and hearing tests give better answers than appearance alone. ### Can ear infections cause permanent hearing loss in cats? Sometimes, but many cats regain hearing once the infection or blockage is treated [1]. Bacterial ear infections may improve with antibiotics [1]. The longer an infection goes untreated, the higher the chance of lasting damage, so early care matters. ### Is there a cure for inherited deafness in cats? No, there is no treatment for congenital deafness [1]. Most other forms of deafness also have no specific cure [2]. Care focuses on safety, communication, and keeping your cat's environment predictable. ### How can I get my deaf cat's attention? Tap the floor or a table so your cat feels the vibration, or use a flashlight or hand signal. Always approach from the front so you do not startle your cat. Many deaf cats learn a specific light cue that means "come here." ## Related Articles - [Ear Infections In Cats Symptoms](/knowledge/veterinary-medicine/symptom-guides/ear-infections-in-cats-symptoms) - [Symptoms Of Cat Ear Infection](/knowledge/veterinary-medicine/symptom-guides/symptoms-of-cat-ear-infection) - [How To Know If Your Cats Choking](/knowledge/veterinary-medicine/clinical-methods/how-to-know-if-your-cats-choking) - [Cat Kidney Disease: How to Tell If Your Cat Is in Pain](/knowledge/veterinary-medicine/senior-and-chronic-care/cat-kidney-disease-pain-signs) - [Ear Infection Cats Symptoms](/knowledge/veterinary-medicine/symptom-guides/ear-infection-cats-symptoms) - [What Are The Signs That My Cat Has A Urinary Tract Infection](/knowledge/veterinary-medicine/clinical-methods/what-are-the-signs-that-my-cat-has-a-urinary-tract-infection) - [Signs Your Cat Is Going Deaf: Symptoms to Watch For](/knowledge/veterinary-medicine/symptom-guides/signs-cat-going-deaf) - [Deafness in Older Cats: Causes and What to Expect](/knowledge/veterinary-medicine/senior-and-chronic-care/deafness-older-cats-causes) - [How to Tell If Your Kitten Is Blind or Deaf](/knowledge/veterinary-medicine/symptom-guides/kitten-blind-deaf-signs) - [Tympanic Ear: Eardrum, Ear Bones, and How Hearing Works](/blog/guides/tympanic-ear-eardrum-ear-bones-and-how-hearing-works) ## References 1. [Deafness in Cats - Cat Owners](https://www.merckvetmanual.com/cat-owners/ear-disorders-of-cats/deafness-in-cats). Merck Veterinary Manual. 2. [Deafness in Animals - Ear Disorders](https://www.merckvetmanual.com/ear-disorders/deafness/deafness-in-animals). Merck Veterinary Manual. 3. [Sensory Decline: Real-World Tactics for Managing Vision and Hearing Loss](https://pubmed.ncbi.nlm.nih.gov/41444090/). The Veterinary clinics of North America. Small animal practice, 2026. 4. [LHFPL5 splice site variant in a cat with deafness and vestibular dysfunction](https://pubmed.ncbi.nlm.nih.gov/41400044/). Animal genetics, 2025. 5. [Cat-Scratch Disease Associated with Acute Hearing Loss, Israel](https://pubmed.ncbi.nlm.nih.gov/42366106/). Emerging infectious diseases, 2026. 6. [Sensorineural deafness in purebred white Devon Rex cats](https://pubmed.ncbi.nlm.nih.gov/38332646/). Journal of veterinary internal medicine, 2024. 7. [PAX3 haploinsufficiency in Maine Coon cats with dominant blue eyes and hearing loss resembling the human Waardenburg syndrome](https://pubmed.ncbi.nlm.nih.gov/38869246/). G3 (Bethesda, Md.), 2024. ## Further Reading - [Merck Veterinary Manual: Cat Owners](https://www.merckvetmanual.com/cat-owners) - [Cornell Feline Health Center: Health Information](https://www.vet.cornell.edu/departments-centers-and-institutes/cornell-feline-health-center/health-information) - [American Veterinary Medical Association: Pet Care](https://www.avma.org/resources-tools/pet-owners/petcare)