Stomatitis in cats
Feline stomatitis is severe inflammation of the mouth, thought to be an extreme immune reaction to plaque.
Last updated: October 2026 · 2 sources · see sources
Signs to watch for
- Drooling
- Bad breath
- Pawing at the mouth
- Not eating
- Weight loss
Trouble breathing, collapse, repeated vomiting, not peeing, or a seizure that lasts more than a few minutes needs a vet right away. See when to see a vet.
How vets diagnose it
Your vet examines the mouth and takes dental X-rays under anesthesia. [2]
How it's treated
Removing most or all teeth is the most effective treatment. Some cats also need anti-inflammatory medicines. [2]
Medicines your vet may mention: Buprenorphine, Cyclosporine (Atopica). We don't list doses; your vet will decide what fits your pet.
What it costs to diagnose and manage
| Item | Typical US price | Src |
|---|---|---|
| Diagnosis (exam and tests) | $200–$500 | [1] |
| Treatment | $1,500–$3,000 | [1] |
These are typical US ranges from the sources listed. Your pet's costs depend on how severe things are, the tests your vet recommends, your pet's size and where you live. Ask your vet for a written estimate.
Outlook
Most cats improve a lot after extractions. [2]
Common questions
What is stomatitis in cats?
Feline stomatitis is severe inflammation of the mouth, thought to be an extreme immune reaction to plaque.
What are the signs of stomatitis?
Common signs include: drooling, bad breath, pawing at the mouth, not eating, weight loss.
How do vets diagnose stomatitis?
Your vet examines the mouth and takes dental X-rays under anesthesia.
How is stomatitis treated?
Removing most or all teeth is the most effective treatment. Some cats also need anti-inflammatory medicines.
How much does stomatitis cost to treat?
Diagnosis (exam and tests): $200–$500; Treatment: $1,500–$3,000. Costs vary with severity, tests, your pet's size and where you live.
Related
This page is general information for pet owners, not veterinary advice. Talk to your vet about your own pet.