If your dog vomits frequently, it may be suffering from gastritis. This condition can be sudden or chronic (when symptoms persist and may be due to an underlying illness).
Gastritis is a common condition in dogs and cats that can manifest in various ways, from mild stomach irritation to severe inflammation.
This condition can be caused by multiple factors, including infections, food allergies, toxicity, or improper diets.
Gastritis in dogs is an inflammation of the stomach lining that can be acute (sudden and short-lived) or chronic (persistent and long-lasting).
Here is key information about this condition:
Causes of Gastritis in Dogs:

Ingestion of improper foods: Eating spoiled, overly fatty, spicy foods, or foods the dog is allergic to.
Ingestion of foreign objects: Toys, small bones, toxic plants, etc.
Infections: Bacterial, viral, or parasitic.
Medications: Some drugs can irritate the stomach.
Stress: Situations of anxiety or fear.
Systemic diseases: Kidney, liver, or pancreatic issues.
Symptoms:
- Vomiting (with or without bile or blood).
- Loss of appetite.
- Abdominal pain.
- Lethargy or weakness.
- Diarrhea.
- Dehydration.
- Dark or bloody stools.
If you notice these symptoms, it’s best to see a veterinarian. Diagnosis is based on clinical history, blood tests, stool studies, and in some cases, X-rays or gastric biopsies.
Acute gastritis usually resolves with proper treatment, while chronic gastritis depends on the underlying cause. The key is to act quickly to avoid complications such as ulcers or infections.
Diagnosis:

The veterinarian will perform a physical exam and may request additional tests such as:
Blood and urine tests.
Abdominal X-rays or ultrasounds.
Endoscopy (to visualize the inside of the stomach).
Treatment:
Treatment will depend on the cause and severity of the gastritis. It may include:
Temporary fasting (24-48 hours) to allow the stomach to recover.
Bland, easily digestible diet (cooked rice, boiled chicken).
Antiemetic medications (to control vomiting).
Gastric protectants.
Antibiotics (if there is a bacterial infection).
Intravenous fluids (in cases of severe dehydration).
Prevention:
Avoid letting your dog ingest improper foods or foreign objects.
Provide a balanced, high-quality diet.
Reduce the animal’s stress.
Keep vaccinations and deworming up to date.
Consult your veterinarian at any sign of digestive discomfort.
Important:
Never medicate your dog without veterinary supervision.
If your dog has persistent vomiting, blood in the vomit or stool, or signs of dehydration, see a veterinarian immediately.
If you have questions about your pet’s well-being, please email:
DrBorrego@petsvet.com
Dr. Enrique Borrego is the medical director of Animal General Hospital, located at 501 SW Port Saint Lucie Boulevard, Port St. Lucie, FL 34953 • Phone 772-344-8835 • www.petsvet.com • Serving our Treasure Coast community since 1990






