Why You Shouldn’t Over-Vaccinate Your Dog
Vaccinating your dog more often than necessary can be very dangerous for him. All vaccines have potential adverse reactions. These can range from fairly mild reactions like lethargy or soreness, to really severe ones like anaphylactic shock, autoimmune diseases and even death. The vaccine can also cause the disease it’s intended to prevent!
When your dog is protected by the vaccines he’s already had, vaccinating him again does not make him “more immune.” Vaccines also contain other ingredients that are potentially harmful for your dog.
Most vaccines include toxic ingredients that add to the risks of vaccinating your dog.
Two of these are:
Thimerosal
This is a mercury based additive used as a preservative. Mercury toxicity is well known and repeatedly proven in studies. Yet it’s still contained in most veterinary vaccines today. Even some vaccines that claim to be thimerosal-free may still contain small amounts of thimerosal. That’s because it can be used in processing but not added as an ingredient, so the manufacturers don’t have to disclose it.
Determining the Timing and Frequency of Vaccinations
Your veterinarian can best determine a vaccination schedule for your pet. This will depend on the type of vaccine, your pet’s age, medical history, environment and lifestyle.
For puppies: If his mother has a healthy immune system, a puppy will most likely receive antibodies in mother’s milk while nursing. Puppies should receive a series of vaccinations starting at six to eight weeks of age. A veterinarian should administer a minimum of three vaccinations at three- to four-week intervals. The final dose should be administered at 16 weeks of age.
For adult dogs: Some adult dogs might receive certain vaccines annually, while other vaccines might be given every three years or longer.
For kittens: Kittens automatically receive antibodies in the milk their mother produces if their mother has a healthy immune system. When the kitten is around six to eight weeks of age, your veterinarian can begin to administer a series of vaccines at three- or four-week intervals until the kitten reaches 16 weeks of age.
For adult cats: Adult cats might be revaccinated annually or every three years.
Each state has its own laws governing the administration of the rabies vaccine. Some areas require yearly rabies vaccination. Other areas call for vaccines every three years. In almost all states, proof of rabies vaccination is mandatory.
Immunizations should mildly stimulate the animal’s immune system in order to create protection from specific infectious diseases. This stimulation can create mild symptoms, ranging from soreness at the injection site to fever and allergic reactions.
There are other, less common side effects like injection site tumors and immune disease associated with vaccination. That said, it is important to realize that vaccines have saved countless lives, and play a vital role in the battle against infectious diseases. As with any medical procedure, there is a small chance of side effects. In most cases, the risks are much smaller than the risks of disease itself. But it is important to talk to your veterinarian about your pet’s medical history before he is vaccinated.
Most pets show no ill effect from vaccination. Vaccine reactions may be minor and short-lived or require immediate care from a veterinarian. Clinical signs include:
It is best to schedule your pet’s appointment so that you can monitor him for any side effects following administration of the vaccine. If you suspect your pet is having a reaction to a vaccine, call your veterinarian immediately.
What Shots Do Dogs Need?
Pet vaccines. For most pet owners, they are something we do regularly but don’t think much about. As a veterinarian, however, vaccinations are something I am always thinking about. At the top of my mind is usually this: How can I best protect my patients while minimizing any risk of over-vaccinating or asking clients to spend money unnecessarily?
Pet vaccines are safe and I fully believe in them. My own dog gets more vaccines than my typical patient because of our lifestyle. He goes to daycare regularly, loves the dog park, goes hiking and comes to the clinic with me when I am at work. Each of these aspects of our lifestyle puts him at risk for particular diseases and I want to minimize that risk. I make decisions for his health based on extensive knowledge of the diseases I want to prevent and the vaccines I am administering. Vaccines are not a replacement for vigilance, but they are an important part of your pet’s healthcare.
Vaccines are separated into two main categories: core and non-core. Core vaccines protect dogs from diseases including rabies, distemper, parvovirus, and adenovirus (also called hepatitis). For cats, core vaccines prevent diseases including rabies, viral rhinotrancheitis, calicivirus, and panleukopenia. These diseases have high fatality rates, are common in the environment and are easily spread between animals or to people. Rabies vaccinations are required for all dogs and cats in the mainland United States.
Non-core vaccines are also known as lifestyle vaccines because the choice to provide them to your pet is dependent on his or her particular risks. The diseases prevented by non-core vaccines tend to cause less severe symptoms, the disease organism may not be present in all areas or the disease is spread by a particular situation that does not apply to the majority of animals.
Vaccines are not immediately effective. They take approximately two to four weeks to reach full protection, so it is important to plan ahead to protect your pet. In addition, every animal is different and only your veterinarian who knows you and your dog or cat is equipped to discuss the nuances of whether to give a particular vaccine.
The following lifestyle, or non-core, vaccinations are generally recommended for dogs based on their environment and day-to-day activity:
Bordatella bronchoseptica is the bacteria most commonly associated with the respiratory disease known as “kennel cough.” It is just one of many types of bacteria and viruses associated with respiratory infection in dogs. Some bordatella vaccines also vaccinate against associated viruses as well. Like the human flu vaccine, the bordatella vaccination does not prevent your dog from getting sick, it just decreases the severity and length of symptoms and lessens the likelihood that your dog will feel sick.
Kennel cough gets its name because it is easily transmitted in the air and therefore any indoor space dogs share, such as a kennel. Day care, dog parks and other places dogs congregate also increase your dogs’ risk of kennel cough. Dog breeds with short faces like, Bulldogs and Pugs, are at higher risk of developing kennel cough that becomes severe due to the shape of their nose and throat.
As more animals travel with their families, any indoor space has the potential to facilitate transmission of kennel cough. Any animal that travels should receive an annual bordatella vaccine. This includes service and support animals as well as show animals. In addition, cats in catteries or who participate in cat shows should also receive the bordatella vaccination.
Leptospirosis is a bacteria that spreads in water containing infected urine from wildlife including urban squirrels, raccoons and rats according to veterinarian and vaccinologist Dr. Dan Green. This means that even a dog who never wanders farther than his backyard for a potty break is at risk. I highly recommend this vaccine for all dogs who step outside.
Most cases of leptospirosis only cause mild signs and are easily treated with antibiotics. However, some dogs get very sick and even suffer kidney failure. Leptospirosis is zoonotic, meaning that it can be transmitted from animals to people.
The first time your dog is vaccinated against leptospirosis, the vaccine is given as a two-injection series approximately one month apart. After that, the vaccine is boostered annually. In many regions of the country, leptospirosis is included in the combination distemper virus-parvovirus vaccine.
The dog flu was first diagnosed in the United States in 2004, though it is possible that undiagnosed cases were present for several years before that. Symptoms of the dog flu may start similarly to kennel cough but then can become much more severe and necessitate hospitalization of your dog.
The flu pops up in different locations throughout the country with little advanced warning and no pattern. There are two known strains of the dog flu and it is impossible to predict which one will cause illness in any location or at any time. Some vaccines protect against only one of these strains while others are effective against both.
If your dog frequents places like day care or boarding facilities, you should consider vaccinating for the dog flu. Dogs who travel should be vaccinated both to protect themselves and to reduce the likelihood that they bring the flu back home to their neighbors after their trip. You should also vaccinate if your dog is one of the short-faced breeds at increased risk for respiratory infections.
Lyme disease is transmitted by the black-legged tick, also known as the deer tick. In some regions of the country, such as the Northeast, the Lyme vaccine is considered core because of the high prevalence of the disease. If you live in one of the 14 states listed here, you should vaccinate your dog. If you live within the range of the black-legged tick but not a high-risk state, you should vaccinate your dog if your lifestyle suggests it.
While modern tick preventatives are very effective, they do not confer one hundred percent protection, especially since most of us are guilty of occasionally being late in giving the next dose. If your dog has frequent exposure to wooded areas, whether at your property line or on hunts or hikes, your lifestyle suggests vaccinating.
The first time your dog is vaccinated against Lyme disease, the vaccine is given as a two-injection series approximately one month apart. After that, your dog will be boostered annually as long as you continue to live in the territory of the ticks that carry the disease. Your dog should still receive tick protection regularly, as there are many other diseases carried by ticks.
The following lifestyle, or non-core, vaccinations are generally recommended for cats based on their environment and day-to-day activity:
Feline leukemia is spread by saliva. This means even friendly contact between cats can spread the disease. In kittens, FeLV can cause severe illness including neurologic signs. Kittens with FeLV usually acquire the virus from their mother. Some kittens that are exposed to the disease do recover, but if that is your particular situation, it is very important to have an in-depth discussion with your veterinarian. In adult cats, FeLV is a horrible disease because it hides until your cat gets sick and then makes it very difficult or impossible to get your cat well again.
Because kittens are at especially high risk for the disease, all kittens should receive the booster (two-part) series starting at 9 to 12 weeks of age. The vaccine will need to be boostered annually if your cat has potential exposure, such as outdoor access. Cats in households that bring in new cats frequently, such as foster homes and catteries, should also be vaccinated.
Chlamydia causes respiratory disease in cats and, along with herpes, is thought to be the underlying cause of most upper respiratory infections in cats. Many cats are likely carriers, meaning the bacteria is in their body even if it is not causing signs. Because chlamydia can cause illness and is easily spread between animals it is recommended to vaccinate cats in catteries, breeders and shelters.