Gingivitis Stomatitis FAQ

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Severe inflammation around the canines and premolars

What is LPGS?
LPGS is a severe oral disease which affects some cats where the body becomes allergic to plaque around the teeth. The allergic response appears as marked inflammation at the area where the tooth meets the gum line. LPGS stands for Lymphocytic-Plasmacytic Gingivitis Stomatitis.

What causes LPGS?
The specific cause of LPGS is unknown. It is not related to feline leukemia virus, feline immunodeficiency virus, sex, spaying or neutering, or diet.

What are the signs of LPGS?
Severe inflammation around the teeth exist with LPGS. In many cases there are also inflammatory lesions in the back of the throat (faucitis). Affected cats may have difficulty chewing hard food. Oral pain may cause a decrease in self grooming resulting in a scruffy hair coat.

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Ulceration of a cat's pharynx
due to feline stomatitis
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Resolution of ulcers two weeks
after extraction of cheek teeth

How is LPGS diagnosed?
Oral examination usually reveals inflammation completely surrounding the teeth. The upper and lower jaw cheek teeth are most commonly affected. In severe cases the canines and incisors are also involved. In 20% of affected cats the pharynx appears cobblestone red.

How is LPGS treated?
There are many options that may give short termed response including antibiotics, steriods, laser therapy, as well as interferon and other immune modulators.   Extraction of the affected teeth and/or all the teeth will resolve between 60-80% of the stomatitis cases.

What is the prognosis for LPGS?
With extraction of the teeth the prognosis is good to excellent. Strict brushing of the remaining teeth is mandatory.


This page last updated on October 31, 2000
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Jan Bellows, DVM
All Pets Dental Clinic
17100 Royal Palm Blvd.
Weston, FL 33326
(954) 349-5800