Is Cat Allergic Reaction To Vaccines Possible To Happen?


It is already a common knowledge that cats really get some allergic reaction to some allergens. But did you know that cats do get an allergic reaction to their vaccines as well? You read it right, cats may also get allergic reaction. In this article, we will discuss about cat allergic reaction to vaccines and more. If you want to learn more about this, read on!

Cat Allergic Reaction to Vaccines: What are these?

A vaccine, as we know, is the modified form of an organism that contains the antigens for a particular disease, yet aren’t infectious. In the event that the agents are already injected, the immunity responds via the creation of specialized antibodies for that particular infectious organism. The goal o the vaccine is to kindle the immune response in making certain cells to keep circulating all over the body. Hence, in case the cat is exposed to the bacteria or virus, the immunity is prepared to fight it. Further, there are times that the immunity overreacts, thus causing an allergic reaction to the vaccines in cats. The symptoms of an allergic reaction may actually be moderate, mild, or austere. In addition, they may also vary depending on the kind of vaccination is received.

Moreover, it is just normal for a cat to experience a several mild effects after getting its vaccines, just like local pain or swelling at the site of the injection. However, if hives tend to appear, the cat might have an allergic reaction to the vaccine. Further, the immune system of the cat actually plays an important role in the body’s protection against infectious ailments to keep it healthy. Moreover, making antibodies against viruses, bacteria, microbes, and parasites is one of the most significant functions of the cat’s immunity. Unluckily, this multifaceted system may not make specialized cells in fighting each disease that may invade the body, hence the vaccines are given in aiding the immunity prepare.

Causes of Allergic Reaction Allergy in Cats

A particular cat allergic reaction to vaccines is due to an over-reactive kind of response to the immunity. Moreover, the antigen in the vaccine is essential in simulating the immune system of the cat, in order to create specialized kind of antibodies against diseases, bacteria, ad viruses. Nonetheless, the nature of some of these at immunity are overreact and hypertensive to the familiarized antigen. Moreover, the common cat vaccinations, which have been well known to cause allergic reaction in the cats may include the following:

  • Feline calicivirus
  • Feline herpesvirus
  • Rabies
  • Feline leukemia peritonitis.
  • Cat immunodeficiency virus
  • Bordertellosis
  • Giardiasis cat panleukopenia.

Symptoms of Cat Allergic Reaction in Cats

A cat allergic reactions to vaccines may be moderate, mild or severe and may appear within a several hours to even days after the vaccination proper was administered. Additionally, austere reactions are commonly in association with the killed vaccines of varieties like cat leukemia and rabies.

Moderate Vaccine Reaction

  • Fever
  • Redness
  • Swelling of the lips, eyes  and / or neck
  • Pruritus
  • Urticaria

Mild Vaccine Reaction

  • Low activity levels
  • Sneezing, which lasts for about 4 to 7days
  • Temporary soreness of the joints
  • Redness, pain, or swelling of the site of injection
  • Loss of appetite
  • Fever

Severe Vaccine Reaction

  • Death
  • Collapse
  • Seizures
  • Shock
  • Cardiac arrest
  • Cold extremities
  • Pale mucus membranes
  • Reduced blood pressure level
  • Vomiting
  • Diarrhea
  • Breathing difficulties
  • So sudden allergic reaction

Prognosis of Allergic Reaction to Vaccines in Cats

The allergic reactions may be due to a variety of elements in the environment of the cat, causing the same symptoms as the allergic reaction in vaccines. Thus, the vet might want to perform a distinction diagnostic examination like intradermal allergy test, in order to rule out of some other causes.

In order to analyse an allergic response to the vaccines, especially, the vet may review the current history of vaccination, playing a very close attention to which the vaccines were actually scheduled, in order to get administered. Further, the vaccination history may help in revealing what vaccines were really administered, the location, as well as the administration date. Moreover, the vet may then pair the medical records with the current condition of the cat, in order to diagnose the allergic reaction of the cat to vaccines.

Treatments for Cat Vaccination Allergic Reaction

The mild up to moderate cases of the feline condition may be symptomatically curable with anti-inflammatory medications, like corticosteroid. Further, a cat that has mild or moderate allergic reactions may get worse over the time and may become austere, so that the cat may need to get monitored for the entirety of the allergic response.

Moreover, the cat with austere allergic reaction to different vaccines must be rushed to the vet clinic immediately. Additionally, the vet may start to administer life support to the cat, including intravenous fluid, as well as oxygen. The airways of the cats may be monitored to make sure that they don’t close it in any time. Cats, which are calmed may likely to survive anaphylaxis, however, may need hospitalization for a several days after the anaphylaxis shock before it returns home. .


Please enter your comment!
Please enter your name here