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Canine parvovirus, often referred to as Parvo, is a highly infectious disease that causes severe inflammation of the stomach and intestines and has a significant mortality rate. This virus primarily affects puppies. Long-time dog owners and breeders often feel concerned when they suspect one of their dogs might be suffering from Parvo. They understand that the situation can quickly escalate and become dangerous. If your dog is diagnosed with Parvo, immediately take them to the veterinarian to improve their chances of survival. However, don’t confuse the symptoms of Parvo with those of other dog illnesses, such as the Coronavirus infection, bacterial hemorrhagic gastroenteritis, leptospirosis, or hookworm infestations.
Steps
Recognizing the Symptoms of Parvo Disease
Observe your dog’s behavior. Generally, the first sign of a dog infected with Parvo is lethargy. Your puppy might show less activity, staying in one corner of the house and refusing to move. As the illness progresses, they may become weak and lose their appetite.
- Parvo typically advances rapidly – after displaying signs of fatigue, your dog will begin vomiting and experiencing diarrhea.
Check if the dog has a fever. Dogs with Parvo often have high fever. Signs of a fever include hot ears or nose and red eyes. You can also use a thermometer to check the dog's temperature by measuring their anus or ear. If the temperature is higher than 38.3 – 39.2°C, the dog likely has a fever.
- Any temperature changes are a sign that the dog might be sick – although some dogs naturally have a lower than average body temperature.
Pay attention to the dog's vomit. Parvo attacks the stomach, which is full of rapidly dividing cells. These cells are the virus's main target. The stomach lining becomes swollen and ulcerated, causing vomiting.
- Since dogs cannot keep food or water down, they quickly become dehydrated and malnourished, which may lead to shock or even death.
Observe the dog's stool. If your dog has diarrhea, loose stools, mucus in the stool, or blood in it, there's a high chance it has contracted Parvo. The illness can also cause dehydration in dogs.
Check for symptoms of anemia in the dog. Parvo causes gastrointestinal bleeding that leads to anemia. To check if your dog is anemic, press on its gums. A healthy dog's gums will return to their normal color within about 2 seconds. If it takes longer, your dog may have diarrhea. Dogs with Parvo often show pale, ashen gums.
Consider the dog's age. Parvo typically affects puppies between 6 to 20 weeks old, with 85% of infections occurring in puppies under 1 year. Puppies are more vulnerable because they have many rapidly dividing cells in their stomach and intestines. These cells are the main targets of the Parvo virus. If your dog is older, it is less likely to develop Parvo, though it is still possible.
- It can be harder to detect Parvo in puppies early, meaning the mortality rate is higher in younger dogs. Pay close attention to any changes in behavior and take your dog to the vet if something seems off.
Diagnosis of Parvo Disease
Take your dog to the vet immediately. The earlier you take them, the higher the chance of survival. Unfortunately, many pet owners fail to recognize the symptoms early enough or delay seeking help, often when the disease has reached its final stages, leading to dehydration and death.
Request an ELISA-Antigen test. To diagnose Parvo disease, the vet may use a biochemical test to detect antigens (ELISA). This test examines your dog's stool for signs of Parvo. It can be performed right at the vet's clinic.
- ELISA provides quick results but may not always be accurate. Be aware that a negative result may not always reflect your dog's actual condition.
- Alternatively, using multiple testing methods to confirm Parvo may not always be necessary. Parvo virus causes severe illness, and its treatment often focuses on supportive care rather than specific medications, meaning a diagnosis might not require multiple tests.
Conduct additional diagnostic tests. Relying solely on the ELISA test may not always suffice for diagnosing Parvo. The vet may perform other tests, such as a red blood cell agglutination test, blood counts, and/or direct stool samples. The combination of these results with the ELISA test can help confirm the diagnosis of Parvo in your dog.
Wait for the results if the vet opts for a PCR test. For a PCR test, the vet will send a stool sample to a laboratory. The results will definitively confirm if your dog has Parvo.
- This test takes longer than the ELISA but provides more accurate results.
Follow the veterinarian's advice for proper treatment. Although there is no cure for the Parvo virus, your veterinarian can provide some helpful guidance on supportive therapies and practical methods to improve your dog's chances of survival. Some options include:
- In-hospital treatment
- Administering anti-nausea medication
- IV fluid therapy
- Probiotic use
- Vitamin supplementation
Recommendations
- Vaccination is the only effective way to protect your puppy from Parvo. The first shot should be administered when the puppy is between 5 and 6 weeks old. After that, boosters should be given every 2 to 3 weeks, with at least 3 doses in total.
- Parvo is a tough virus that does not easily break down. It is resistant to many disinfectants and can survive for months or even longer. It is crucial to maintain clean surroundings and properly disinfect your dog’s area. Look for products specifically designed to kill Parvo or use a safe disinfecting solution with one part bleach to 30 parts water.
- Parvo is a viral illness and cannot be treated with antibiotics.
Warning
- Do not attempt to treat Parvo on your own. Even with the best veterinary care, the virus can still be life-threatening. Trying to handle the treatment yourself is a very risky approach.
