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My dog chews her itchy, thick, flaky nail bed. What's the issue?

Updated On September 23rd, 2025

Pet's info: Dog | Mixed Breed Small (up to 22lb) | Female | spayed | 7 years and 4 months old | 21 lbs

My dog has had a thickening of the skin around one nail bed for a few months now. She saw the vet back when it started and was given antibiotics just in case but it still seems to bother her occasionally and she will chew at it. It is not red but whitish and will flake off a bit. It doesn't seem actively painful, just possibly itchy. No other nails/areas are affected. What could it be?

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1 Answer

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Answered By Amy S. Eutsey, DVM

Veterinarian

Published on March 18th, 2022

Hello. These are commonly a chronic infection that has both bacteria and yeast involved. It is often necessary to treat with an oral antifungal plus a form of antibiotic (either topical or oral). These types of infections can take many weeks of treatment (6-10) to clear completely. A recheck with a veterinarian is needed in order to discuss the appropriate medications necessary to effectively treat this, but be prepared for a longer course of treatment than just the typical 10-14 days. Thank you for using Petco Pet Education Center, formerly Petcoach

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