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208 Breeds, 422 Health Conditions  |  Find a Vet

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Chronic Gastritis

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Condition Overview

Dogs with chronic gastritis vomit from time to time over a period of days or weeks.

Symptoms

These dogs appear lethargic, have a dull coat, and lose weight. The vomitus sometimes contains foreign material and food eaten the day before.

Causes

A common cause of chronic gastritis is a food allergy. Other causes are persistent grass eating, repeated consumption of drugs, chemicals, or toxins, and ingesting cellulose, plastic, paper, or rubber products. Also consider the possibility of hairballs. Hair is shed more heavily in the spring time and is swallowed as the dog licks and pulls it out. Hair and other foreign materials can be incorporated into a hard mass called a bezoar. Bezoars may grow to a size that makes it impossible for them to pass out of the stomach. In many cases, the cause of chronic vomiting is not known.

Hypertrophic gastropathy is a thickening of the mucous membranes of the lower half of the stomach, which can lead to gastric obstruction and food retention. Vomiting occurs 3 - 4 hours after eating. Hypertrophic gastropathy occurs most often in middle-aged dogs of the small breeds. It may also be seen as a congenital problem called pyloric stenosis in brachycephalic breeds such as Bulldogs and Boston Terriers. The cause is unknown in older dogs, but may be related to histamine release from mast cell tumors in some dogs.

Chronic atropic gastritis involves a thinning of the stomach wall. This is primarily seen in Norwegian Buhunds, and may develop from an immune problem.

Eosinophilic gastritis is a chronic condition characterized by the accumulation of eosinophils (a type of white blood cell) in the mucous lining of the stomach, along with thickening and scarring of the stomach wall. The cause is unknown, although a food allergy or parasites have been proposed. Eosinophilic gastritis is more likely that other types of gastritis to be associated with ulcers and bleeding.

Stomach and duodenal ulcers also produce sporadic vomiting.

Diagnosis

Dogs with chronic vomiting should be seen by a veterinarian. Gastroscopy with a biopsy of the stomach wall is the quickest way to make a diagnosis of chronic gastritis.

If there is no obvious explanation for the sporadic vomiting, the dog may be suffering from a systemic disease, such as liver or kidney failure, which can be diagnosed by blood tests.

Treatment

Treatment involves switching to a bland, high carbohydrate diet. Alternatively, you can feed a homemade diet of boiled rice and cottage cheese. Offer frequent small feedings and avoid large meals. As the dog recovers, gradually introduce a high-quality commercial premium dog food, or consult a veterinary nutritionist for a balanced homemade meal you can cook.

Histamine blocking agents such as Tagamet (cimetidine), Pepcid (famotidine), and Zantac (ranitidine), may help in cases of hypertropic gastropathy. While not approved for use in dogs, they can be used safely under the guidance of your veterinarian.

Eosinophilic gastritis responds well to a course of corticosteroids, but sometimes the dog needs other immunosuppressive drugs and a hypoallergenic dies prescribed by your vet.

Prevention

Information needed.

Support

Please contact your veterinarian if you think your pet may have this condition.

Show Sources & Contributors +

Sources

Dog Owners Home Veterinary Handbook

Publisher: Wiley Publishing, 2007

Website: http://www.wiley.com/WileyCDA/

Authors: Debra M. Eldredge, Liisa D. Carlson, Delbert G. Carlson, James M. Giffen MD

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