Vaccinating Cats and Small Dogs: A Special Danger

June 10, 2012

A Purdue University vet school study (by Moore et al), published in 2005 in the AVMA Journal and widely-cited elsewhere (see AAHA Guidelines p. 22), tracked vaccine reactions occurring within 72 hours of vaccination for 1.2 million dogs vaccinated at 360 veterinary hospitals. It showed that small breed dogs receiving multiple vaccines per office visit were at greatest risk of a vaccine reaction. The report recommends: These factors should be considered in risk assessment and risk communication with clients regarding vaccination.

“The VAAE [reaction] rate decreased significantly as body weight increased. Risk was 27% to 38% greater for neutered versus sexually intact dogs and 35% to 64% greater for dogs approximately 1 to 3 years old versus 2 to 9 months old. The risk of a VAAE significantly increased as the number of vaccine doses administered per office visit increased; each additional vaccine significantly increased risk of an adverse event by 27% in dogs ≤ 10 kg (22 lb) and 12% in dogs > 10 kg.”  (Find the article: JAVMA, Vol 227, No. 7, October 1, 2005) Ask your vet to find the article at http://avmajournals.avma.org/doi/abs/10.2460/javma.2005.227.1102?journalCode=javma 

Note too: In the WSASA Guidelines Q & A: Are certain vaccines or combinations of vaccines more likely to cause adverse reactions than others? Yes. Although the development of an adverse reaction is often dependent on the genetics of the animal (e.g. small breed dogs or families of dogs), certain vaccines have a higher likelihood of producing adverse reactions, especially reactions caused by Type I hypersensitivity. For example, bacterins (killed bacterial vaccines), such as Leptospira, Bordetella, Borrelia (Lyme) and Chlamydophila (Chlamydia) are more likely to cause these adverse reactions than MLV viral vaccines.

Breeds Most at Risk Listed in Order (for breeds with more than 5000 dogs studied)

Dachshund  (by far the most reactive)
Pug 
Boston Terrier 
Miniature Pinscher
Chihuahua 
Maltese 
Miniature Schnauzer 
Jack Russell Terrier 
Toy Poodle 
Yorkshire
Terrier
Boxer 
Pomeranian
Pekingese 
Shih Tzu 
English Bulldog 
Lhasa Apso
Weimaraner 
Beagle 
Bichon Frise 
American Eskimo Dog 
American Cocker Spaniel
Shetland Sheepdog 
Shar Pei 
Miniature Poodle
Golden Retriever 
Basset Hound 
Welsh Corgi 
Siberian Husky
Great Dane 
West Highland White Terrier
Labrador Retriever 
Doberman Pinscher 
American Pit Bull Terrier 
Akita 
Mixed 
Australian Shepherd 
Dalmatian 
Australian Cattle Dog
Border Collie
Collie 
Chow Chow
German Shepherd Dog
Rottweiler

Read the study abstract for dogs.

Read the study abstract for cats: Adverse events after vaccine administration in cats: 2,560 cases (2002-2005).

CONCLUSIONS AND CLINICAL RELEVANCE: Although overall VAAE rates were low, young adult neutered cats that received multiple vaccines per office visit were at the greatest risk of a VAAE within 30 days after vaccination. Veterinarians should incorporate these findings into risk communications and limit the number of vaccinations administered concurrently to cats.  

Articles of Interest

Vaccinating Small Dogs: Risks Vets Aren’t Revealing          

Short video and article on vaccine reactions

Study about  increased hospitalization and deaths in children receiving multiple vaccines 

 

 

 

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6 Responses to Vaccinating Cats and Small Dogs: A Special Danger

  1. Vaccination : ce que votre vétérinaire ne vous dira pas – Mon chien en santé on July 16, 2016 at 7:32 pm
  2. If Your Dog or Cat Missed His Rabies Booster: Big News! | Truth4Dogs on February 11, 2016 at 1:53 pm

    […] study. Don’t presume your veterinarian will have read either. (The wonderful study on the dangers of vaccinating small dogs and cats, published in the Journal in 2005, is virtually unknown in the veterinary […]

  3. nancy grimes on January 5, 2015 at 7:38 am

    hi,
    i agree & avoid vaccinations. i was wondering what rights as pet owner we have to avoid the rabies vaccine which they claim is mandatory.
    many vets won’t treat pets unless they have the rabies vaccine.
    thanks for any info you have for me on this particular shot.
    nancy

    • adminjr on January 5, 2015 at 9:25 am

      Hi Nancy. I have numerous articles on rabies vaccinations on my other blog. Here’s a good place to start: http://www.dogs4dogs.com/blog/2012/03/05/does-your-state-permit-rabies-vaccination-medical-exemptions/ Find other articles here: http://www.dogs4dogs.com/blog/index-2/

      A vet has a reasonable concern to avoid treating a dog that is not protected. Well, slightly reasonable. Rabies in dogs is extremely rare in most states.

      Most holistic vets are more reasonable about vaccinating. If your dog was a stray, there might still be concern. But if your dog has likely been vaccinated previously, they’ll probably allow you to come in to get a rabies titer test to see if your dog is protected. There’s no more danger drawing blood than there is injecting a vaccine. https://truth4pets.org/vets/ If your dogs has positive titers, that’s more proof that the dog is protected than just the knowledge that the dog was vaccinated.

      Things are likely to change soon. Do you know about http://www.rabieschallengefund.org? Soon, with a little luck, there will be a legal titer standard.

  4. mindy lee on August 6, 2014 at 1:33 pm

    it is good to know that the multiple vaccines per office visit were at greatest risk for small dogs

    we experienced our yogi 6 lbs got sick each time after coming back from the vet for the vaccines.

    thanks

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