Nausea in Dogs
When to visit the vet?
Non-urgent see a veterinarian within 2–3 days
ORANGE for repeated Vomiting/Regurgitation, significantly reduced drinking, Abdominal pain, Fever, apathy, or suspected foreign body/poisoning. RED for hematemesis, black stool (melena), bloated abdomen + Restlessness (suspected GDV), collapse, or severe dehydration.
Unsure about what’s wrong with your pet? Feel free to use our Symptom Checker for more clarity
Definition
Nausea in dogs refers to an unpleasant feeling in the stomach that often leads to Vomiting, but can also occur without Vomiting. It is a non-specific symptom that can indicate various health problems.
Can Occur with the Following Diseases:
- Renal Adenocarcinoma (Kidney Cancer)
- Bladder Atony (Bladder Paralysis)
- Cholangiocarcinoma (Gallbladder and Bile Duct Cancer)
- Chronic Atrophic Gastritis (Chronic Inflammation of the Gastric Mucosa with Regression of the Mucosa)
- Chronic emesis, chronic vomitus (Chronic vomiting)
- Chronic Gastritis (Chronic Gastric Mucosal Inflammation)
- Chronic Kidney Disease (Chronic Impaired Kidney Function)
- Clostridium perfringens infection (bacterial intestinal infection caused by clostridia)
- Cobalamin malabsorption (Insufficient absorption of Vitamin B12)
- Colibacillosis (Bacterial infection caused by E. coli)
- Colitis (Large Intestine Inflammation)
- Irritable Bowel Syndrome, IBS (Irritable Bowel Syndrome in Dogs)
- Digoxin Intoxication (Digoxin Poisoning)
- Hyperparathyroidism (Overactive Parathyroid Glands)
Basics and possible causes
Nausea is a complex symptom that can be triggered by a variety of factors. It arises from the irritation of the Vomiting center in the brain, which reacts to signals from the gastrointestinal tract, the balance system, the brain itself, or other organs.
One of the most common causes of Nausea in dogs is the ingestion of unsuitable or spoiled food. Foreign bodies in the gastrointestinal tract, such as bones or toy parts, can also cause Nausea. Infections, especially viral or bacterial infections, can irritate the stomach and cause Nausea.
Chronic conditions such as kidney or liver diseases can also trigger Nausea, as they affect the dog’s metabolism and lead to an increase in toxic substances in the body. Certain medications the dog is taking can also cause Nausea as a side effect.
In older dogs, Nausea can also be a sign of more serious diseases like cancer. Additionally, stress and anxiety, especially in sensitive dogs, can trigger Nausea by impairing gastrointestinal function.
Typical accompanying symptoms
- Vomiting: Nausea is often accompanied by Vomiting, where the dog expels food or liquid from the stomach. This can be acute or chronic.
- Loss of appetite: A dog with nausea often has little or no interest in food, which can lead to weight loss.
- Lethargy: Nausea can make the dog tired and less active than usual.
- Salivation: Excessive salivation or smacking can be a sign of nausea, as the dog tries to relieve the unpleasant taste in its mouth.
- Abdominal pain: If the dog licks its abdomen, curls up, or whimpers, this may indicate nausea and abdominal pain.
- Restlessness: A dog with nausea may be restless, turn around frequently, or look for a comfortable position to relieve the discomfort.
When to see a vet?
It is important to consult a veterinarian if Nausea persists for more than 24 hours or is accompanied by severe Vomiting. If the dog refuses food or water, action should be taken quickly, as dehydration can be a serious problem.
If the dog repeatedly vomits and shows signs of Bleeding in the vomit or stool, immediate veterinary help is required. This could indicate internal Bleeding or a severe infection.
A veterinarian should be consulted for symptoms such as excessive salivation, sudden weight loss, or a change in the dog’s behavior in order to rule out more serious illnesses.
Symptom recognition for the pet owner and veterinary diagnostic procedure
To determine the cause of Nausea, the veterinarian will first take a thorough medical history to identify possible triggers, such as changes in food or access to potentially toxic substances.
A physical examination allows the veterinarian to detect signs of dehydration, Abdominal pain, or other physical abnormalities. Blood tests can provide information about the dog’s general health and identify possible organ dysfunctions.
In some cases, an X-ray or ultrasound examination may be necessary to look for foreign bodies in the gastrointestinal tract or structural abnormalities. If an infectious cause is suspected, special tests can be performed to detect viruses or bacteria.
What the pet owner can do and professional therapy options
The pet owner can initially try offering the dog small amounts of water to prevent dehydration, ensuring the water is consumed in small sips. For persistent Nausea, a temporary food fast of 12 to 24 hours can help calm the stomach.
After the fasting period, a bland diet consisting of easily digestible foods like cooked chicken and rice can be introduced. These foods should be offered in small, frequent meals to avoid overwhelming the stomach.
It is important to allow the dog to rest and avoid stress situations, as stress can worsen symptoms. The pet owner should also ensure that the dog does not have access to potentially harmful substances or foods that could exacerbate the Nausea.
If no improvement occurs or the dog’s condition worsens, it is essential to consult a veterinarian. Depending on the diagnosis, the veterinarian can prescribe medication or suggest further treatments to alleviate symptoms and treat the underlying cause.
Outlook on current research
Research into Nausea in dogs has gained significant importance in recent years. Scientists are particularly investigating the physiological and neurological mechanisms that lead to Nausea in dogs. A focus is on understanding the role of neurotransmitters such as serotonin and dopamine in the dog’s brain and how these chemical messengers can trigger or amplify Nausea reactions. Compared to human medicine, research in veterinary gastroenterology is still developing, but there are increasingly promising studies indicating a similar neurological processing of Nausea in dogs and humans.
Another area of research focuses on the development and improvement of antiemetics, medications that control Nausea and Vomiting. Scientists are working to develop medications specifically tailored for dogs, as many currently used medications were originally developed for humans and do not always show the same efficacy or tolerability in dogs. Challenges include finding a balance between efficacy and side effects, as dogs can be sensitive to certain chemical substances.
Additionally, the role of the gastrointestinal tract in triggering Nausea is being intensively researched. Here, the influence of nutrition, gastric motility, and the gut microbiota is in focus. Studies show that certain diets can reduce the risk of Nausea by improving gastric emptying or promoting the growth of beneficial bacteria in the gut. The genetic predisposition of dogs to develop certain symptoms like Nausea is also being investigated to better understand why some dogs are more susceptible than others.
The use of non-invasive imaging techniques, such as ultrasound and magnetic resonance imaging (MRI), has also provided new insights. These technologies allow visualization of the gastrointestinal tract’s function and potential structural abnormalities that could contribute to Nausea. The results of these studies contribute to the development of more accurate diagnosis methods and individually tailored treatment plans.
An emerging research area is the investigation of psychological factors that can influence Nausea in dogs. Stress and anxiety are known triggers for Nausea in both humans and animals. Researchers are examining how environmental changes, social interactions, and emotional states can influence the physiological processes that lead to Nausea. These studies could help develop preventive strategies that improve the well-being of dogs by minimizing stress-related Nausea.
In conclusion, interdisciplinary collaboration between veterinarians, pharmacologists, neuroscientists, and nutritionists is a promising approach to addressing the complexity of Nausea in dogs. This collaboration has the potential to promote the development of holistic treatment approaches that include both pharmacological and non-pharmacological methods to improve the well-being and quality of life of dogs.