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My dog is drowsy after flea treatment and steroids. Is this normal?

Updated On September 23rd, 2025

Pet's info: Dog | West Highland White Terrier | Female | 1 year and 7 months old | 14 lbs

I have just treated my dog for fleas (I used the correct dose for her weight) she has also had steroids too from the vet , she is really drowsy, is this normal?

1 Answer

Most Helpful Answer

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Answered By Dr. Melanie, BVSc MS

Veterinarian

Published on April 20th, 2017

Yes, steroids can cause a general loss of energy as a side effect, but I would keep an eye on Bonnie for now. If she continues to be very lethargic or shows other signs such as vomiting, anorexia, or muscle tremors, I would have her seen by a vet immediately.

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