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Can a Seresto collar cause skin irritation or bumps on my dog?

Updated On September 23rd, 2025

Pet's info: Dog | Pit Bull Terrier | Male | neutered | 2 years old | 85 lbs

I just took off Wallace’s collar and noticed a few small clusters of bumps. He wears a seresto flea/tic collar. Could it be from that?

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1 Answer

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Answered By Dr. Melanie, BVSc MS

Veterinarian

Published on September 2nd, 2019

Yes, it could be from the collar. Keep it off for now, and see if the bumps resolve. If they do not, have Wallace seen by a vet. Since you are taking off the Seresto collar, give him an oral flea medication like Nexgard.

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