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Intranasal vaccine reaction.

Species: Cat
Breed: feline
Age: Less than 3 mon
our kitten seams to have had a reaction to her nasal vacine it had been about four days and she began sneezeing like crazy she has been sneezing blood for the past three days can i help her? and can she have the vacine again or do i need to get the shot instead and one shot or two rounds? or could this be a reaction to changing her cat food?


Online vet, Dr. Marie

Dr. Marie replied:

Oh, I am sorry to hear that Stars is not feeling well.

The intranasal vaccine for kittens is usually quite safe. But, in rare cases we can get a cat who comes down with an upper respiratory virus after getting the vaccine. Usually though the virus is quite mild.

It's also possible that Stars was harboring a virus and then the stress of the vaccines allowed it to surface.

In either case the best thing to do here is to contact your vet. Many times if a cat has had a reaction to a vaccination the company who makes the vaccination will cover part or all of the costs of treating the cat.

Your vet may be able to prescribe some medication to help with the congestion. They can also determine whether there is some infection present and if so prescribe some antibiotics.

In the meantime, something you can do to help the congestion is to run the shower and get the bathroom really steamy and then put Stars in the steamy room for 10 minutes to help loosen up the congestion. You can also try heating up some canned cat food to help make it smellier so she is encouraged to eat.

Most likely she will need to get the injectable vaccine next time and yes, she will likely need a booster as well. This depends on a few factors though so you will need to get your vet's advice on this.

This is definitely not due to changing her food.

Again, I would advise you to call your vet in the morning and hopefully they can help.

I hope little Stars is feeling better soon!

Dr. Marie.


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Disclaimer: Although Dr. Marie is a qualified veterinarian, the information found on this site is not meant to replace the advice of your own veterinarian. AskAVetQuestion.com and Dr. Marie do not accept any responsibility for any loss, damage, injury, death, or disease which may arise from reliance on information contained on this site. Do not use information found on this site for diagnosing or treating your pet. Anything you read here is for information only.

Customer reply:

she has no other symptoms except excesive sneezing and blood she is eating fine


Online vet, Dr. Marie

Dr. Marie replied:

It's still a good idea to call your vet just in case the symptoms get worse. It's a good thing that she is still eating!

The other reason to call your vet is that the vaccine company needs to know that she had a reaction. If lots of cats are having reactions then they need to do something about their vaccine.



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Dr. MarieDr. Marie is a veterinarian who practices in a busy animal hospital in Ottawa, Ontario. She created Ask A Vet Question as a resource for good, accurate veterinary advice online. Dr. Marie treats dogs, cats, hamsters, guinea pigs, and rats. She has been a vet since 1999.

Is an online vet visit just as good as a trip to your veterinarian? No! But, many times, asking an online veterinarian a question can help save you money. While Dr. Marie can't officially diagnose your pet or prescribe medications, she can often advise you on whether a vet visit is necessary. You can also ask Dr. Marie for a second opinion on your pet's condition.