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My dog sleeps more after vet visit. Is it medication or loneliness?

Updated On September 23rd, 2025

Pet's info: Dog | Keeshond | Male | unneutered | 1 year old | 40 lbs

I worked all summer from 7am - 4pm so Loki is home most of the day, I took him to a vet one day and he had to get an injection and medication. Now that I'm on my day off I see that my dog sleeps more. Could this be due to the medication the vet has given us or because he's used to testing due to me working more? He is eating his breakfast, dinner and the snacks we give him and his nose is wet.

1 Answer

Most Helpful Answer

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Answered By Ricardo Fernandez, DVM

Veterinarian, Veterinary Oncology Resident

Published on August 9th, 2018

Thanks for using Petco Pet Education Center, formerly Petcoach! It is hard to know without knowing which medication was given as some medications can result in lethargy but most will not. However, it could also be that this is Loki's typical behavior and sleeping pattern during the day while you are away from home. Dogs usually sleep most of the day and that is normal. If he is otherwise doing fine then he is most likely just fine. If you notice any other signs of illness such as inappetence, vomiting or diarrhea, have him evaluated by your veterinarian for further assessment. Otherwise, he is likely just fine. Good luck and have a great day! I hope you find this information helpful!

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