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My dog has hair loss, scabs, and red eyes. Could it be allergies?

Updated On September 23rd, 2025

Pet's info: Dog | Dachshund | Female | spayed | 9 years and 10 months old | 12 lbs

10 yr old female daschund is had been loosing hair on ears and back legs for months. Scabs on ears where hair loss is and in between toes. Took her to vet only thing that was detected was a UTI. 2 weeks of antibiotics and UTI was cleared. Eyes started to seem to be irritated,blinking and red. Went to vet again. No glaucoma gave drops for conjunctivitis. Another UTI detected more antibiotics. 3rd week of antibiotics and her eyes are worse, skin condition is not better. Please help.

1 Answer

Most Helpful Answer

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Answered By Ricardo Fernandez, DVM

Veterinarian, Veterinary Oncology Resident

Published on April 4th, 2018

Thanks for using Petco Pet Education Center, formerly Petcoach! This is possibly 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. A secondary infection is likely and also needs to be addressed. The UTI is unrelated and should be treated separately. 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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