The Secrets to what happens if a dog gets vaccinated twice

This is mainly due to dogs take unhygienic decisions and so we have to vaccinate them to save them from certain diseases.

 Many dog owners often wonder what happens if a dog gets vaccinated twice. This article will focus on such conditions in dogs and also the condition when someone accidentally doubles vaccinated a dog.

Importance of Vaccination:

Some dangerous viruses and bacteria cause adverse effects and cause disease in your lovely dog. A dog catches such diseases as it has not been immune from such diseases. Due to this, certain vaccines boost the immunity of dogs to fight such diseases. So dogs are saved from such diseases in the future too. These vaccines develop certain antibodies in the body of your dog which recognizes the virus of the disease and starts to kill them as found. As a result, the immune system becomes ready to fight such a dangerous disease.

The Correct Answers to what happens if a dog gets vaccinated twice:

As a dog owner, it is natural for you to worry about your dog’s health. You also know that only medicines cannot work to save them from certain diseases like virus-borne diseases. For certain virus-borne diseases vaccination is the best technique both for humans as well as for dogs. You should also know the fact that vaccinations can also give drastic side effects to dogs if not applied in a proper way or proper time. It can put your dog in more trouble than the disease itself.

Dog owners have many questions in mind like can a dog get 2 rabies shots in one year. For which the answer is no, they can have such shots once every three years. Also, an overdose of some other vaccine may be dangerous for the health of your dogs and so some vaccination is meant to apply only after some safe duration.

According to the American Animal Hospital Association guidelines released in 2003, you cannot vaccinate a dog more than once in three years. The guidelines are followed by every vet and they have limited their vaccine to once in every three years for dogs. 

The main reason for the association to take such decisions was some vaccines were cheap and were causing adverse effects on the health of the dogs. The annual application of such a vaccine makes the condition worse.

Side Effects of Over Vaccination in Dogs: 

Frequent vaccination or accidentally double vaccinated dog tends to give rise to certain side effects in dogs. Despite the benefits of the vaccine in dogs an owner has to confirm that such effects in dogs are due to the vaccine or the disease itself. Here are some of the common symptoms of overdose in vaccination-

what happens if a dog gets vaccinated twice

· Fever

· Breathing problem

· Seizures (mild)

· Drowsiness

· Swelling

· Pain where the injection is applied

· Vomiting

Many of the above effects are for a short duration. But you should consult your vet if such symptoms last for 2 to 3 days.

Types of Vaccination in Dogs

The concept of vaccination in dogs mainly focuses to boost the immune system in your dog. IT also makes their immune system ready to fight such diseases in the future too. Here are some of the common vaccinations that your dog, might need-


In case your dog likes to spend its time with rural wildlife and water bodies it more prone to a disease called Leptospirosis. So you have to vaccinate the dog for this disease. Your vet may not advise you to vaccinate the dog with this disease but you have to make the vet aware of the environment in which you and your dog are living.

There is much optional vaccination in dogs and it depends on age, medical history, lifestyle, and travel habits of the dogs. So it is not necessary to vaccinate your dog from all types of diseases.

Lyme Disease:

Such disease is transferred through the deer ticks which are found on deer’s especially whitetail deer’s. Such a disease can be dangerous for your dog if your dog is not immunized from it. So in case you are living in such places where there are plenty of whitetail deer’s vaccinate your dog against this Lyme disease.

Camine Cough:

Such diseases are infected by dogs who are already suffering from this disease. This may happen if you frequently take your dog to dog classes, dog shows, grooming sessions, etc where other dogs are also available. In such cases ask your vet to vaccinate your dog for such disease.

Canine Influenza:

This disease has been discovered recently in dogs. The disease can affect the health of your dog adversely if not vaccinated. Apart from the above if you heard or see any other diseases that are affecting the dog or animals near your city, consult your vet to ensure the safety of your dog.

The Schedule to Vaccinate Your Dog:

Puppies Vaccination Schedule:

Normally a puppy should start its vaccination between 6 to 8 weeks of its birth. Followed by every three weeks till it attains the age of four months where it will receive its final round of vaccine. In case the puppy’s mother is healthy it may receive several antibodies through the mother’s milk. So start the vaccination schedule soon after your puppy leaves mother’s milk. The common schedule is-

  • Kennel cough and DHPP at 6-10 weeks of age
  • Lyme, canine influenza, DHPP, and Leptospirosis at 11 to 14 weeks 
  • Rabies, Lyme, Leptospirosis, and Canine influenza at 15-16 weeks
  • Out of which Lyme and canine influenza are optional vaccines and depend on the lifestyle of your puppy.

Dog Vaccination Schedule:

Once your puppy becomes a dog, your vet will suggest an adult dog vaccination schedule. Such vaccinations consist of a periodic immune booster and are consisting of DHPP vaccine. Given below is the amount of vaccine required for a healthy dog-

  • DHPP at 1 years interval period
  • Rabies at 3 years interval period
  • Leptospirosis at 1 year interval period
  • ·Canine Influenza at 1 year interval period
  • Lyme Disease at 1 year interval period
  • Bordetella (Kennel Cough) at 1 year of the interval period

Some Useful Tips to Avoid over-vaccination in Dogs:

Vaccination is important to dogs but has to be applied in a proper way to get the maximum benefits. Here are few essential tips that you have to remember before approaching your vet to vaccinate your dog.

  • You should have a fair idea about the vaccine and what it’s meant for. Having a good understanding of the vaccine will save you from any unknown accidents.
  • It is better to ask your doubts and discuss the vaccines with your vet also ask for possible side effects and what measures you have to take to prevent them.
  • Never be afraid of taking your dog home soon after they are vaccinated, take some time, and then proceed
  • Always carry the checkup records of your dog to the clinic especially when you are going to any new clinic. You should have all the recent results of your dog and the results of the compulsory tests such as urine test, blood test, heartworm test, titer test, etc. You should organize all the results in ms-excel sheets so that it is easily readable and understood by your vet.
  • Examine the vaccination against the titer test and ask your vet whether the vaccines that he is providing are for core disease or local specific diseases.
  • Study all the vaccinations, types, and reasons for vaccination from an authentic source and you can also discuss such things with your vet.
  • Discuss the health problems or any behavioral changes of your dog if you had been witness any. This will ensure proper treatment for your dog and the vet will also be aware of the same.
  • Take the list of current supplements and medication if any of your dogs to your vet. Ask them that whether to continue them soon after the vaccination. This will avoid the reaction risk if any.
  • Be aware of the price of the vaccines available and carry the same amount with you. This will save your time and also avoid you to take cheap vaccines due to lack of money. If you feel that the vaccine that your vet is suggesting is not much necessary, cancel the meeting. You can consult another vet for the same some other day.

The Answers to can a dog get 2 rabies shots in one year

According to the American rules regarding rabies vaccination for dogs, you have to provide your dog with the vaccine as soon as they reach their first year of age. After this, the next shot should be after three years. Such rules are made to eliminate health risks in dogs due to over-vaccination. You should also know the fact that the quality of the vaccine is the same for three years or each year with only the difference of the label.

Many people opt for one year shot to save their money. Over-dose of rabies vaccination may cause long-term or short-term chronic diseases in your dogs. Such reactions often occur when one tries to inject the vaccine two or three times in a comparatively short duration. Even many vets cannot recognize the risk until they observe certain major symptoms in dogs. Other side effects of overdosing rabies vaccination of your dog are-

· Causing Fibrocarcinomas which is depleting of aluminum and antigens from your dog’s body.

· Can cause a condition of tumors in dogs together with conditions of lymphoma and tumor cancers

· Chronic problems in the digestive tract of your dog. It may effect the digesting capacity of your dog followed by severe inflammation in the stomach of your dog. Your dog may witness loss of its appetite.

· Causing allergies to the environmental conditions and food of your dog.

· Certain skin diseases such as hives, rashes, hair loss, dermatitis, etc

Some Common FAQs:

Can you over-vaccinate your dog?

ANS: No, it is highly recommended not to overdose on any vaccines.

How long after the second injection can the dog meet other dogs?

ANS: It is advised to wait until two weeks after the injection to take your dog to any social meetings.

What can Puppies do after 2nd vaccination?

ANS: After seven to eight days after the second injection your puppy is ready to lead a normal life

Can dogs get parvo after the second vaccine?

ANS: Yes, dogs are always susceptive to catching the parvovirus even after their second vaccine.

What are the health risks involved in any of getting the same vaccine twice?

ANS: There is certain health risk like damage of the brain, change in behavior of your dogs, aggressiveness are some of the common symptoms for over-vaccination in dogs.

What are the dangers of taking 2 FLU shots in the same season?

ANS: Your dog may witness weakness, vomiting, or any other type of side effect.

What are some core dog vaccinations?

ANS: Canine Parvovirus, Rabies, Hepatitis, and Canine Distemper are some core vaccines of dogs?

What are some non-core vaccines of dogs?

ANS: Lyme vaccine, Bordetella, dog flu, and Leptospirosis are some non-core vaccine of dogs

Hope that now you are well aware of the importance of vaccines in dogs. You also know the answer to your question what happens if a dog gets vaccinated twice. As a dog owner, you have to save your dog from such incidences and risk their health. It is better to keep a timetable and note down the date of vaccines allotted by your vet. By this, you will never over-vaccinate your dog.

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