When to visit the vet?
Non-urgent see a veterinarian within 2–3 days
If the condition worsens / symptoms persist, consult a veterinarian.
You can find an interesting overview of gastrointestinal problems in dogs, supplemented with information on the intestinal microbiome and the importance of probiotics, here: https://petsvetcheck.de/fachbeitrag/magen-darm-probleme-beim-hund/
Definition
Gastritis in dogs is an inflammation of the stomach lining that can lead to stomach irritation and digestive disorders.
The most important facts at a glance
Gastritis in dogs is an inflammation of the gastric mucosa, which impairs the protection of the stomach from gastric acid and can lead to Pain and further inflammatory conditions. This disease can be triggered by various factors, including unsuitable food that irritates the stomach, swallowing foreign objects, as well as bacterial and viral infections. Parasitic infestations, the use of certain medications such as non-steroidal anti-inflammatory drugs (NSAID), and chronic stress can also damage the gastric mucosa. Symptoms include loss of appetite, Vomiting, and in some cases bloody Vomiting.
The diagnosis requires a thorough examination by a veterinarian, who may also use blood tests and imaging procedures such as X-ray or ultrasound. An endoscopy can help to assess the gastric mucosa directly. The therapy depends on the cause; in acute gastritis, short-term fasting can help, while medications and an adapted diet are necessary in chronic cases. The prognosis is often good if the cause is treated. For prevention, dogs should receive a balanced diet and be protected from swallowing foreign objects. Regular veterinary examinations are important to detect underlying diseases early.
Causes
The stomach lining plays a crucial role in protecting the stomach from the aggressive effects of gastric acid. When this lining becomes inflamed, known as gastritis, this protective mechanism is impaired, leading to irritation and further damage. The gastric acid can then attack the lining, leading to Pain and further Inflammatory conditions.
There are numerous causes for the development of gastritis in dogs. A common cause is the ingestion of unhealthy or incompatible food that can irritate the stomach. Foreign objects that dogs ingest by swallowing indigestible objects can also cause mechanical irritation of the stomach lining.
Other causes may include bacterial infections, especially with Helicobacter species, and viral infections that lead to inflammation of the gastric mucosa. Parasitic infestations, such as roundworms, can also irritate the mucosa and cause gastritis.
Chronic stress and the use of certain medications, mainly non-steroidal anti-inflammatory drugs (NSAID), can also damage the gastric mucosa and lead to gastritis. Finally, systemic diseases, such as kidney or liver diseases, can also play a role by impairing bodily functions.
Symptoms
The symptoms of gastritis in dogs can be acute or chronic and vary depending on the severity of the disease. One of the most common symptoms is Vomiting, which may occasionally contain blood if the gastric mucosa is severely irritated.
Affected dogs often show loss of appetite and a general decrease in energy. They may appear lethargic and feel unwell, which is reflected in a change in behavior, such as reduced activity or withdrawal.
Further symptoms may include excessive salivation, abdominal pain, and Flatulence. In some cases, dogs may also suffer from Diarrhea, which may indicate involvement of the intestine. The symptoms may occur sporadically or persist over a longer period of time.
Diagnosis
The diagnosis of gastritis in dogs requires a thorough medical history and clinical examination by a veterinarian. The veterinarian will obtain information about the dog’s diet, possible ingestion of foreign objects, and medication history.
Blood tests can be performed to rule out systemic diseases and assess the dog’s general health. X-ray or ultrasound examinations of the abdomen can help rule out foreign bodies or tumors in the stomach.
An endoscopy can be performed to directly view the gastric mucosa and take biopsies. These procedures allow an accurate assessment of the extent of the inflammatory conditions and help rule out other diseases.
Therapy
The treatment of gastritis in dogs depends on the underlying cause. In acute gastritis caused by ingestion of unsuitable food or foreign objects, fasting for 24 to 48 hours may be recommended to allow the stomach time to calm down.
In chronic cases or with severe Vomiting, medications may be prescribed to reduce stomach acid production. Antiemetics may also be administered to control Vomiting and improve the dog’s well-being.
Adjusting the diet to easily digestible, low-fat diets can be helpful to relieve the stomach. In cases where an infection or parasites are the cause, specific treatments are required, such as antibiotics or deworming agents.
Prognosis and follow-up care
The prognosis for dogs with gastritis depends on the underlying cause and the response to therapy. In many cases, especially with acute gastritis, the prognosis is good after appropriate therapy.
Chronic gastritis can be more difficult to treat and may require long-term dietary adjustments and regular veterinary check-ups. If the underlying cause is treated and no complications occur, dogs can achieve a full recovery.
Prevention
One of the best ways to prevent gastritis in dogs is to provide a balanced, high-quality diet. Avoid giving your dog unsuitable foods or waste products that can irritate the stomach.
Monitor your dog closely to prevent it from ingesting foreign objects that could lead to mechanical irritation of the gastric mucosa. Pay attention to signs of stress and try to minimize or manage stressful situations.
Regular veterinary examinations can help detect and treat underlying diseases early before they lead to gastritis. Early intervention can reduce the risk of complications and chronic diseases.
Outlook on current research
Research on gastritis in dogs focuses on various aspects of the disease, including the causes, diagnostic methods, and treatment strategies. Current studies are investigating the role of nutrition, genetic factors, and environmental conditions that may contribute to the development of gastritis. A significant area of research is the investigation of Helicobacter species, which may play a role in the development of gastric diseases in dogs. Similar to humans, these bacteria are thought to contribute to inflammation of the gastric mucosa, although their exact significance is not yet fully understood.
Another focus of research is the development of new diagnostic technologies that enable faster and more accurate detection of gastritis. Endoscopic procedures and non-invasive tests are being improved to help veterinarians identify and treat the disease early. In addition, the role of biomarkers is being investigated to better understand and monitor specific inflammatory processes in the stomach.
Regarding the treatment of gastritis, there are ongoing studies that address the effectiveness of various medications and dietary interventions. Researchers are working to identify the most appropriate therapeutic approaches for different severities of the disease. Studies are being conducted on how certain diets that are easily digestible and low in fat affect the healing of the stomach lining. Probiotics and prebiotics are also being explored as potential treatment options, as they may positively influence the balance of the gastrointestinal flora.
Another area of ongoing research is the investigation of genetic predispositions for gastritis. Some dog breeds appear to be more susceptible to developing this disease, suggesting that genetic factors may play a role. By identifying specific genes associated with an increased risk of gastritis, scientists hope to develop more targeted prevention and treatment strategies.
Research on gastritis in dogs is further advanced by the increasing use of technology and international research collaborations. This enables a faster exchange of knowledge and the development of treatment protocols based on the latest scientific findings. Overall, current research aims to deepen the understanding of gastritis in dogs in order to improve the quality of life of affected animals and minimize potential risk factors.