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Not well after vaccines.

Species: Dog
Breed: Husky
Age: 8-11 years
Had rabies distemper & bord shots fri Gave her frontline & heartguard yest night. Now she is lethargec & just wants to lay down. Eats drinks no vomit/diarea. What did we do wrong & is this serious ?


Online vet, Dr. Marie

Dr. Marie replied:

Hmmm...this is a tough one because I can't really see a connection here.

Frontline and Heartgard are perfectly safe to use together. They shouldn't cause a dog to be lethargic.

It is possible for a dog to be lethargic after vaccines, but it's not that common. And, usually if there is some sort of reaction it happens within 24 hours.

I'm guessing that there could be something going on that is not connected to the vaccines.

If Angel is eating and drinking her normal amount then I would likely just keep an eye on her for now and if she is still like this when your vet opens on Monday then I would give them a call.

There are a number of other things that could be going on. If it is very warm in your area then this could be affecting her. Or perhaps she has some pain somewhere such as her back. It's often tough to know though!

I have had some dogs where a vaccination was "the last straw" in an illness. So, let's say she was fighting an age related condition like kidney disease or liver disease. When the vaccine challenged her immune system then this could have caused the disease condition to get worse.

Again, if she is eating and drinking ok I would likely wait till Monday. The exception, of course, is if your gut is just telling you that she is really unwell.

Please let me know if you have more questions.
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:

No conditions other than a damaged CCL that we have been nursing along without surgery. Thanks for your time.


Online vet, Dr. Marie

Dr. Marie replied:

You're very welcome. I hope everything is ok.



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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.