My dog's rear end is balding and her fur is changing color. What's wrong?

Question

Female 5 year old Springer has brown hair that's going blonde and is going bald over rear end. Generally fur is very short on rear end with some bald patches. Has a seresto flea dollar prescribed by vet, has no fleas and is generally got and well, no changes in behaviour. Pet's info: Dog | English Springer Spaniel | Female | unspayed

Joy Fuhrman, DVM, MBA, CPA · Accepted Answer

Hair loss on the back end is most commonly due to fleas. While you are using the flea collar, it may not be as effective as is needed. I would recommend using either a spray or a pour-on product (such as Frontline) and don't forget that you will need to treat the environment as well so that Roxy does not continue to get re-infected. Other differentials for hair loss and color changes include other parasites such as mice or lice or even systemic (metabollic) disease. Your veterinarian will be able to perform a skin scrape and cytology to determine exactly what is going on with Roxy.

My dog's rear end is balding and her fur is changing color. What's wrong?

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