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Dog has red mark after hike. Is it a tick bite or insect sting?

Updated On September 23rd, 2025

Pet's info: Dog | Labradoodle | Male | 10 months and 14 days old | 28 lbs

I went hiking a few times with Byron over the weekend. While doing a tick check I saw a red mark. I think this is probably a sting or bruise, but just want to check that it isn't a tick bite. He hasn't exhibited any signs of illness but we only just got back. * Reposting as apparently the photos didn't go up in the last post* Thanks a lot.

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1 Answer

Most Helpful Answer

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Answered By Laura Johnson VMD

Veterinarian

Published on May 28th, 2018

Hi, thanks for using PetCoach! It appears that the pink target lesion is a black fly bite. If it is, it should fade in 3 days. It doesn't cause any pain and isn't anything to be worried about. If more areas pop up and he isn't outside then he should be seen by a Vet. https://www.vin.com/veterinarypartner/default.aspx?pid=19239&catId=102899&id=7986755 Have a great day!

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