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Why is my dog scratching fur off, leaving raw wounds? Is it allergies?

Updated On September 23rd, 2025

Pet's info: Dog | Miniature Poodle | Female | spayed

Hi, my dog is scratching the fur off herself and it’s leaving a red open wound area her actual skin is exposed. This happened before months ago I used neosporin and warm water with salt. What should I do thanks?

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1 Answer

Most Helpful Answer

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Answered By Ricardo Fernandez, DVM

Veterinarian, Veterinary Oncology Resident

Published on January 6th, 2018

Thanks for using Petco Pet Education Center, formerly Petcoach! This is likely due to allergies. It really comes down to figuring out what is causing her allergies so that they can be treated or the specific allergen avoided. There are many things that can cause allergies though in most cases they can be broken down into 3 big categories: flea, food and environmental allergies. Allergies are usually worked up in a stepwise fashion starting with flea allergies as this is the easiest and cheapest to take care of. If not on a flea preventative, then it would be a good idea to get started on one. If already on one then it would be a good idea to change to something else (there are many new products out in the market). If not improved in 1-3 months then it is time to move on and check for food allergies by switching to a novel diet (new protein and new carbohydrate). If that does not seem to be the issue then you are left out having to check for environmental allergies which require blood and/or skin tests. Allergies can be very frustrating to deal with at first but so rewarding at the end when we are able to treat them effectively!

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