Can Dogs Get Tonsillitis?

It is often secondary to another problem and usually clears once the cause is treated.
Yes, dogs can get tonsillitis, an inflammation of the tonsils that makes the throat sore. It often develops alongside another problem, such as an infection, dental disease, or repeated coughing and vomiting. Signs include gagging, a soft cough, reluctance to eat and bad breath, and can be mistaken for kennel cough at first. It usually clears once the underlying cause is treated.
Symptoms to Watch For
| Sign | What you might notice |
|---|---|
| Gagging or retching | As if trying to clear the throat |
| Soft cough | A recurring, gentle cough |
| Reluctance to eat | Avoiding hard food or chewing carefully |
| Bad breath | A foul smell from the mouth |
| Drooling and swallowing | Extra saliva and repeated swallowing |
A soft cough like this can also follow a lingering cold that keeps irritating the throat.
Common Causes
What lies behind it
- Repeated coughing or vomiting that irritates the throat
- Dental disease and mouth infections
- General respiratory infections
- Occasionally, other underlying illness
Care and Treatment
- See your vet. An exam checks the tonsils and looks for the underlying cause.
- Treat the cause. Address dental problems, coughing or vomiting driving it.
- Ease the throat. Offer soft, easy-to-swallow food while it is sore.
- Give medication. Antibiotics or anti-inflammatories may be prescribed.
- Recheck if needed. Persistent or one-sided swelling should be re-examined.
Frequently Asked Questions
What are the signs of tonsillitis in dogs?
Signs include gagging or retching, a soft cough, reluctance to eat especially hard food, drooling, bad breath, and repeated swallowing. A vet may see red, swollen tonsils on examination. Small breeds seem more prone, and the signs can be mistaken for kennel cough at first.
What causes tonsillitis in dogs?
Tonsillitis is often secondary to another problem rather than a standalone infection. Common triggers include repeated coughing or vomiting that irritates the throat, dental disease and mouth infections, and general respiratory infections. Less commonly it can be linked to other underlying illness.
How is tonsillitis in dogs treated?
Because it usually stems from another cause, treatment focuses on that: dental care for mouth infections, managing whatever is causing chronic coughing or vomiting, and sometimes antibiotics and anti-inflammatories for the tonsils themselves. Soft food helps while the throat is sore.
Is dog tonsillitis serious?
Most cases are uncomfortable rather than dangerous and settle once the underlying cause is treated. However, persistent or one-sided tonsil enlargement should always be checked, as rarely it can indicate a more serious problem that needs further investigation.
⚠️ Emergency? If your dog may have swallowed something toxic or is seriously unwell, contact your vet or a pet poison helpline immediately (in the US, the Pet Poison Helpline is 855-764-7661).
Sources: American Kennel Club (akc.org), VCA Animal Hospitals (vcahospitals.com) and the American Veterinary Medical Association (avma.org). This guide is for general information and is not a substitute for advice from your own veterinarian. See our editorial & review policy.



