Why is My Dog Shaking After Vaccination?

  • By: Charlie Anderson
  • Date: October 24, 2021
  • Time to read: 4 min.

The first one is caused by a widening or swelling around your dog’s injection spot, which can happen within 24 hours after their shot; this will only occur in rare cases with no other symptoms accompanying it (such as pain). If you see an animal limping, you should ask how long it has been doing this. You should contact your vet immediately!

There are two types of reactions to vaccines:

  1. the mild reaction
  2. shaking

What is a vaccine reaction, and how does it happen

A vaccine reaction is a change in the dog’s behavior that occurs after vaccination. It can happen to any dog, no matter what age or breed. The changes vary from mild to severe and may last for hours to days. Dogs with specific health problems are more likely to have reactions; these include allergies, neurological disorders (e.g., epilepsy), chronic skin disease (e.g., atopic dermatitis), and cancer chemotherapy treatment (e.g., lymphoma). Some dogs also experience pain near the injection site. Many experience fever and depression and other symptoms such as lethargy or loss of appetite, vomiting, diarrhea, or excessive thirst/urination.

Common symptoms of a vaccine reaction

It’s essential to know the symptoms of a vaccine reaction. A dog can have a variety of responses, some more serious than others. The most common symptoms include fever, vomiting, diarrhea, and lethargy or depression. Other symptoms are muscle pain or weakness, seizures, and loss of appetite. A puppy that has received his first set of shots may also experience an allergic reaction within hours after vaccination with hives, itching skin, or breathing difficulties. If you notice any changes in your pet’s behavior following vaccinations, contact your vet immediately for advice on what to do next!

Signs that your dog may have a vaccine reaction

Dogs are more reactive to vaccinations than humans. The more reactive the dog, the worse their reaction will be. Symptoms can vary from mild shaking or shivering to severe reactions with seizures, fever, and death. A veterinarian can prescribe medication for your pup before they receive a vaccine to prevent these symptoms if you know ahead of time that your dog is susceptible to vaccines.

If not, it’s best to monitor them closely the following vaccination to catch any reactions quickly and provide treatment as needed. You should also talk with your vet about what type of vaccine is appropriate for your pet based on age/health status and lifestyle (such as outdoor versus indoor). I want to mention here that no matter how often I talk about vaccine reactions, any dog can experience one. Vaccines are vital for preventing the spread of diseases like parvo and distemper, but they can come with side effects!

How to treat a dog with a vaccine reaction

It is common for dogs to shake after vaccination. The dog may also seem more tired than usual and be less responsive to its owner. There are a few things you can do if this happens:

  • Take him out for a walk; exercise stimulates the immune system and helps reduce any inflammation caused by the vaccine.
  • Make sure he’s getting enough rest; not only does sleep help with healing, but it will make your dog happy to spend some time together without feeling too stressed or sad.
  • Consider giving him supplements like omega-3s, shown in studies to reduce inflammation and help with recovery from stressors such as vaccinations.

Preventing future reactions from vaccinations

The most common reaction to vaccinations is mild side effects. These reactions are usually no worse than the flu, and they happen in about 10% of people who get vaccinated. Severe or life-threatening reactions are rare-less than 1%.

Can these vaccine side effects be prevented? Yes! And it’s easier than you might think. There are three ways to avoid them:

  1. ask your doctor about a vaccination that doesn’t contain the part of the virus that causes symptoms;
  2. delay vaccines until after age two when children have better immune systems;
  3. give fewer vaccines at one time by combining some shots into one needle injection.

The importance of vaccinating your pet yearly for rabies, distemper, parvovirus, and other diseases which can be deadly if untreated

It the important to vaccinate your pet yearly for rabies, distemper, parvovirus, and other diseases which can be deadly if untreated. The vaccine protects against many diseases that are life-threatening to our pets.

Animals infected with these viruses or bacteria may experience various symptoms, including fever, vomiting, diarrhea, seizures, and paralysis. Some animals will die from the infection without treatment. Vaccines help prevent these infections by stimulating an animal’s immune system to produce antibodies against the virus or bacteria before it becomes established in the body so that disease does not occur. 

Following vaccination, the most common side effect is soreness at the injection site seen in approximately 10% of cats and dogs who receive their first rabies vaccine as a puppy or kitten. The incidence of post-vaccine reactions decreases with subsequent vaccinations.

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