Hearing gradually declines in senior dogs. The key is to create a stress-free environment by adjusting household noise levels, startle responses, and communication methods.


When to Visit the Vet for Hearing Changes
Hearing loss caused by disease, rather than simple aging, needs to be addressed promptly. Sudden hearing loss in one ear, foul odor or discharge from the ear, head tilting, or loss of balance may indicate otitis externa, otitis media, or vestibular system issues. If these symptoms persist or are accompanied by vomiting or circling, immediate veterinary care is necessary.

| Item | Quiet conversation (50dB) | Normal TV volume (70dB) | Vacuum/doorbell (85dB+) |
|---|---|---|---|
| Stress response | Low | Medium | High |
| Startle/jumping | False | False | True |
| Prolonged exposure recommended | True | False | False |
| Suitability for senior dogs | Suitable | Only briefly | Should be avoided |
This is a general reference guide, and specific dB thresholds for senior dogs have not been validated in the veterinary literature. It can vary greatly depending on each individual's sensitivity.

Must-Dos for Walks and Outings
Senior dogs with hearing loss may not hear bicycles or motorcycles approaching from behind. Always keep the leash short—1.5 meters or less—and walk on the inner side of the path, avoiding roads used by cars and bicycles. Attach a "DEAF DOG" patch or a fluorescent band to the collar to alert others to exercise caution. Never touch the dog suddenly.

A veterinarian who majored in veterinary medicine at Khon Kaen University, Thailand, and completed the IVSA program at North Carolina State University in the United States. Drawing on clinical experience at animal hospitals, he works in the pet healthcare field and is dedicated to building a digital care environment that connects pet parents with veterinarians.
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[1] The Dog Care Handbook: Things I Wish My Vet Had Told Me, 5M Publishing, 2024
[2] Introduction to Animal Behavior and Veterinary Behavioral Medicine, Ch.17 Geriatric Behavior
[3] Gunn-Moore D, Moffat K, Christie LA, Head E. Cognitive dysfunction and the neurobiology of ageing. J Small Anim Pract 48(10): 546–553, 2007
[4] BSAVA Manual of Canine and Feline Dermatology, 4th Ed, Ch. Otitis