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Tonsillitis in Dogs
Written By Ellie Roddy
Published: 10/24/2016Updated: 03/15/2024
What are Tonsillitis?
Dogs have tonsils, so they can develop tonsillitis just like humans can. It’s not that common, though small dogs are more likely to get it than larger breeds. Tonsillitis is often a sign of an underlying condition, so you need to get them checked over and treated by the vet.
Key takeaways from our guide to tonsillitis in dogs include: 
  • Dogs can get tonsillitis, sore throats and tonsil stones 
  • Tonsillitis is caused by underlying conditions
  • Symptoms of tonsillitis include a loss of appetite
  • Antibiotics can treat tonsillitis in dogs

My dog has tonsillitis, is this normal?
Perhaps you aren’t even sure whether dogs have tonsils or not. So, do dogs have tonsils? Yes, they do. They have a tonsil on each side of their throat which is part of their lymphatic system. 
Swollen tonsils in dogs tends to be a sign of tonsillitis. They usually get this as the result of another disorder related to their lungs or airways. This might be to do with their nose, mouth or throat. It could also be due to continuous vomiting, regurgitating or coughing.
There is a chance your dog could have chronic tonsillitis — this means they keep getting it. This is most common in brachycephalic breeds (flat faced with short noses.) 

Can dogs get sore throats?
Yes, dogs can get a sore throat but it’s not necessarily tonsillitis. If your dog has swollen throat glands — which can be due to a number of reasons — this will make their throats sore. It could also be due to kennel cough. It may be a viral or bacterial infection. 
While humans may not see the doctor for a sore throat, your dog should go to the vet. That way they can determine why they have a sore throat and whether it is due to tonsillitis and an underlying condition, or something else. Then they’ll know the best way to treat your dog and relieve them of the pain. 
Can dogs get tonsil stones?
Yes, dogs get tonsil stones, just like humans can. Tonsil stones are tiny and hard. They form in the crevices on the tonsils and include food and bacteria that has built up over time. This usually creates a very bad odor so you’ll likely smell if your dog has this.  

Tonsillitis is often a sign of an underlying condition. This is often easy to treat but it can be something more serious. Compare the best pet insurance plans so you  have peace of mind that you are covered whatever the prognosis. 

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Symptoms of Tonsillitis in Dogs
There may not be many obvious signs that your dog has tonsillitis. If they do have symptoms, it’s likely to include a short cough followed by gagging and a small amount of mucus. They may also keep swallowing or licking their lips and you’ll probably notice they are off their food. 
If they allow you to look to the back of their throat, you may see that either side is red and swollen. 
A dog with severe tonsillitis may have the following symptoms:
  • Poor appetite
  • Listlessness
  • Trouble swallowing
  • Salivation
  • Fever may be present (if there is a concurrent infection) 
Causes of Tonsillitis in Dogs
Your dog will often have an underlying condition which will result in the tonsils becoming inflamed. 
Examples of potential underlying conditions that cause tonsillitis in dogs are:
  • An infection 
  • Something lodged in your dog’s mouth (plant fibers, foreign items)
  • Continuous vomiting
  • Continuous coughing 
  • Significant dental and gum disease
  • Tumors in the tonsil
Bacteria is often the cause of disease and a bacterial infection may lead to tonsillitis. The most common bacteria are Escherichia coli, Staphylococcus aureus, and hemolytic streptococci.
Diagnosis of Tonsillitis in Dogs
If you suspect your dog has any of the symptoms of tonsillitis then you should take them to the vet. 
They will give your dog a physical examination and ask you about the symptoms.
It’s easy to diagnose tonsillitis as the vet will quickly and easily see if the tonsils are inflamed. However, as tonsillitis is often the result of an underlying condition, primary tonsillitis should only be diagnosed once any other conditions have been ruled out.

It’s most likely to be primary tonsillitis if you have a young dog of a small breed. 
Your vet will consider the symptoms your dog has been showing to decide how to proceed. 
You should be prepared to discuss any chronic vomiting or coughing that you have noticed in your dog, as well as any changes in behavior, including their eating habits.

When to worry about tonsillitis in dogs
You need to worry about tonsillitis if it’s a sign of dog tonsil cancer or necrotic tonsils. It’s important to note that both are fairly rare and can be treated. It’s just more serious than the other underlying conditions that tonsillitis could be a sign of. 
Treatment of Tonsillitis in Dogs
Once your vet knows what the underlying issue is (if there is one) — they’ll treat this first. 
If your dog has something in their throat, for example, the vet will remove it and then prescribe antibiotics. 
In the case of dental or gum disease causing tonsillitis, your vet will recommend your dog has its teeth professionally cleaned. They may also need another procedure and likely will require antibiotics. 
With bacterial tonsillitis, the vet will prescribe antibiotics. If your dog doesn’t respond to this course of treatment, the vet may recommend a bacterial culture and sensitivity testing in order to determine an alternative. 
The vet may also recommend a pain reliever if your dog is having trouble swallowing. 
It’s unlikely that your dog's tonsils will be removed (which is known as a tonsillectomy.) They are lymphoid tissue which help to fight disease, so would only be removed if it necessary. If they have tumors on the tonsil or repeated inflammation that affects airflow, then there may be no other option.  

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Recovery of Tonsillitis in Dogs
While your dog is recovering you should feed them a diet of soft food as it may be hard for them to swallow. 
If they can’t eat or drink, then fluids may be administered to prevent them from becoming dehydrated, so make sure that you inform your vet. 
The recovery will depend on the cause of the tonsillitis. Either way, the vet will likely want to see your dog again to check how they are doing. 
If your dog does need their tonsils removed, then the vet will give you instructions for how best to care for your pup after the surgery. 
You don’t want to be worrying about how you’ll pay for the treatment when your dog is poorly. Compare pet insurance and browse wellness plans today and you’ll have peace of mind that, if they get tonsillitis, whatever the underlying condition may be, you’ll be covered. 
Tonsillitis Average Cost
From 323 quotes ranging from $300 - $800
Average Cost
$500
Top
Tonsillitis Questions and Advice from Veterinary Professionals
Mutt
Two Years

3 found this helpful

3 found this helpful

My pet has the following symptoms:
Gagging, Excessive, Salivating, Looks Like It’S Hard To Swallow Spit, Gassy
Idk what’s wrong with my dog he just started this after a Day of moving into our new house
Aug. 7, 2020
Answered by Dr. Michele K. DVM
3 Recommendations
Thank you for your question. It is difficult to say without being able to examine your dog, but he sounds like he is in distress. But if you got into something or found something that he wasn't supposed to, I don't know, but it seems that it would be best to have him seen by a veterinarian right away. I hope that he is okay.
Aug. 7, 2020
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Havanese
Harley
4 Months

1 found this helpful

1 found this helpful

My pet has the following symptoms:
Diarrhea
Lethargy
Vomiting
Loss Of Appetite
Tired
A couple days ago my 5 month old Havanese puppy was acting very sickly and tired. He wasn't really eating his food, and he was trying to puke. The next morning (yesterday) I took him to the vet and was told he had tonsillitis and was given biomax (amoxicillin) in a dropper. To give to him once every 12 hours. Since then he still doesn't eat, when he does sometimes we pukes it up and sometimes he doesn't. He's also very tired now and sleeps most of the time. MY question is, is this normal? Will he be fine in a couple days or should is are these side effects something I should be worried about?
July 8, 2018
Answered by Dr. Michele K. DVM
1 Recommendations
That doesn't sound like normal behavior to me for a 4 month old puppy, no. Without being able to see him or know more about his history, I have a hard time commenting on what might be going on, but if he is vomiting, having diarrhea, not wanting to eat and is lethargic, it would be a good idea to check for infectious diseases like Parvo virus, and to analyze a stool sample for parasites. If those things were not done at your veterinarian, it would be a good idea to ask. If they were done, he should have a recheck if he isn't getting better.
July 8, 2018
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English Setter
Berkeley
7 Years

2 found this helpful

2 found this helpful

My pet has the following symptoms:
Lethargic
My dog has allergies and also was diagnosed with tonsillitis. He is on Cerenia for vomiting, Cefpodxime for antibiotic, Famotidine for gastric acid and Rimadyl for anti inflammatory. He will drink water, but is refusing food. He had X-rays and they found a lot of gas in his stomach and bowels. What should I do.
May 6, 2018
2 Recommendations
It can be difficult to say what you should do; the gas will cause bloating which will leave Berkeley without an appetite and some of the medications prescribed also may cause a reduction in appetite as well. You can try to force feed using smooth wet food mixed with some water syringed into the mouth, but there is no shortcut unfortunately. Regards Dr Callum Turner DVM
May 6, 2018
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Labrador Retriever
River
9 Years

4 found this helpful

4 found this helpful

My pet has the following symptoms:
All Described Above.
Nine year old Chocolate Lab Dog with cough. Took to first vet twice. He got an antibiotic (amoxiclav) and steroids both times and symptoms cleared til meds were gone then returned. Took to new vet who did Xrays of chest and throat and blood work. Xrays sent out and were deemed normal. Blood work normal, and no fever. Antibiotics and steroids again. Cough of course returned at end of meds. Took back to second vet who then did a tracheal wash sent out for culture and sensitivity. Vet did note that tonsils and throat were pretty red. Came back ONLY showing a little Strep, sensitivity showed SMZ TMP would kill it. He was given another steroid injection which stopped his cough almost immediately and prescribed the SMZ TMP for a ten day course. As soon as the steroid wore off back to coughing even though he finished the ten day coursed of antibiotics. Now back to coughing every time he moves and so far I am out more than $1000.00 and still nothing has helped him. Do you have any suggestions?
April 10, 2018

Answered by Dr. Michele K. DVM
4 Recommendations
If River has responded to steroids every time, he may have an allergy that is requiring the steroid to control. He may need to be on a longer term steroid, or an inhalant steroid, to help with this cough. I hope that he does well.
April 10, 2018
Also his appetite has been fine through all of this and he drinks normally until steroids kick in then he really drinks which I understand is normal. This has been going on for almost two years now. Please help!
April 10, 2018
River's Owner
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Chihuahua
Mister Mister
5 Years

3 found this helpful

3 found this helpful

My pet has the following symptoms:
Rough Cough /Gagging
My mister has a horrible cough. He sounds like a goose! The cough started one day after we hosted a bbq at our house and 2 days later I found a rib bone in my 9 lb chihuahuas pen.UGH! My husband thinks kennel cough, while I think he has a splinter lodged in his throat that is bothering him. We visited the vet yesterday, No x ray was done, but the vet said his tonsil was slightly inflamed and gave us meds for them. He said its similar to dog "tonsilitis" If there is a bone splinter in his throat will this eventually go away on its own from his saliva dissolving it? Or would it need to be surgically removed?
April 4, 2018
3 Recommendations
When I hear a cough sounding like a goose (goose honk) in a small breed dog like a Chihuahua, I think tracheal collapse (like hearing hooves and thinking horses); but I am sure your Veterinarian would have thought the same and ruled it out. A cooked bone won’t dissolve, but would have shown up on an x-ray if one was taken; continue the course of treatment prescribed by your Veterinarian but if there is no improvement you should have an x-ray done to check the trachea and for any fragments of bone. Regards Dr Callum Turner DVM
April 4, 2018
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Chihuahua
Ollie
10 Years

0 found this helpful

0 found this helpful

My pet has the following symptoms:
Cough
My Chihuahua had a persistent cough and had his tonsils removed. He has been on antibiotics and still coughs. The vet does not know what else to do. My dog still has a long life ahead of him and don't want him to cough for the rest of his life or have him on cough syrup for life either. Any suggestions, I am worried and a little frustrated.
Bullmastiff
Zoey
2 Years

0 found this helpful

0 found this helpful

I noticed tonsillitis in my Bullmastiff. Took her to Vet and they told me to give antibiotics 2 times for a week. I hope she will be fine. Tonsillitis is really- slightly smaller than tennis ball. I am feeding her on liquid diet as probably she will struggling with eating. what else do you suggest me to do ? warm water or cold water to server. vitamin c intake will help ? please suggest.
Cavalier King Charles Spaniel
lucca
6 Years

0 found this helpful

0 found this helpful

My pet has the following symptoms:
Breathing Difficulty
my dog has had short pallet sacculles and tonsil surgery because of difficulty breathing all at the same time of year over the last 6 years now again the breathing difficulties again specialist says allergies so steroids again which hate because of the side affects if they dont work which now after 3 days they are working like 75 percent of the problem the specialist will then look down dogs throat and ask a internest to take a look also what could this be do you have any idea thanks
Tonsillitis Average Cost
From 323 quotes ranging from $300 - $800
Average Cost
$500

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