The Side Effects of Vaccinating Your Cat
Vaccine Associated Sarcoma In Cats
Your four-legged friend, your lap warmer, your fur baby, or your best friend. Whatever you choose to call them, cats are more than a pet, they are a part of your family. This is why we start vaccinations as early as six-weeks-old. From the core vaccinations such as rabies shots to the non-core ones to prevent Feline Leukemia, we agree to all of them to keep our babies happy and healthy for as long as possible. But what happens when the vaccines cause more harm than good? Cat owners need to educate themselves on the risks that come with vaccinating their cats. Unfortunately, vets do not consider all the facts when pushing unnecessary vaccinations.
There is no disputing that vaccines save lives but no vaccine is 100% safe either. Vaccinate your pet based on your comfort level. This is our story to increase awareness of VAS and to encourage cat owners not to blindly over-vaccinate their cats.
Oskar, our three-year old American Bobtail received his yearly check-up three months ago and got his yearly vaccinations for rabies, FVRCP, and feline leukemia. Everything was fine until we returned from a 5-day vacation mid-September to find our baby more lethargic than normal and drastically underweight. Oskar is always very vocal since he is an American Bobtail and he whined as we gave him a plethora of cuddles. While petting Oskar I almost immediately felt a walnut-sized lump on his rear left leg. We panicked and called the vet and set up an appointment to have it examined. Some $900 later after only two appointments and diagnostics, we were then referred to a specialist as he had a Vaccine Associated Sarcoma or VAS. No pet owner wants to receive that news. Your baby has an invasive malignant tumor. A tumor caused from the very vaccine you were told to give him to protect him.
It’s now October 25th and the medical bills have crawled over the $3000 mark and that’s just for testing. We got the call this weekend that the CT tests luckily came back showing now metastasis in his lungs or other organs. This means a “simple” amputation should be able to save his life and return his quality of life back to him. We meet with a surgeon tomorrow to begin the process as the longer we wait, the more the tumor spreads. I don’t want anyone else to have to go through what we are so please continue reading to learn the facts on VAS.
What Is In Your Vaccine?
One popular vaccine is for the prevention of FELV from Merck Animal Health. This vaccine contains a killed viruses that are chemically inactivated with an adjuvant to enhance the immune response. What does this actually mean? It means there is a chemical being injected into your cat that is solely designed to create inflammation at the injection site so the immune system is alerted to its presence. The packaging comes with a warning that “Some reports suggest that in cats, the administration of certain veterinary biologicals may induce the development of injection-site fibrosarcomas.” Most vets do no relay this information to the pet-owner so it is our responsibility to research not only the vaccine but the company itself that produced said vaccine.
Are you going to ask you vet more details next time a vaccine is recommended?
A sarcoma is a highly invasive and aggressive malignant tumor that appears at the site of injection anywhere for weeks to years after a vaccination. These tumors have microscopic tendrils that reach out from the main tumor site and wrap around blood vessels and muscles making removal very difficult. If not completely removed, there is a 70% cancer will return. The same study showed 97% of cats treated had complete removal but 14% had a re-occurrence and 20% had metastasis to other parts of the body.
With Oskar, the sarcoma appeared on his rear left leg at the injection site and formed a walnut-sized lump. This tumor drastically diminished his quality of life in a short period of time. He went from being a very cuddly cat who ran, leaped, ate and played, to a shadow of himself that dropped to 7 lbs and only slept a low chair since he couldn’t even jump like he used to without being in pain.
Summit Veterinary Referral
PetMD - http://www.petmd.com/blogs/thedailyvet/lhuston/2012/aug/cat_vacconations_core_non-core-26787#
AVMA - https://www.avma.org/KB/Resources/Reference/Pages/rbbroch.aspx
Drugs.com - https://www.drugs.com/vet/nobivac-feline-2-felv.html
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