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Why is my 5-month-old puppy losing hair and has crusty skin?

Updated On September 23rd, 2025

Pet's info: Dog | Dachshund | Male | unneutered | 5 months and 4 days old

My 5 month old pup started losing hair around eyes and has now got crusty black skin across bridge of nose and behind ears.

2 Answers

Most Helpful Answer

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Answered By Andrea M. Brodie, DVM

Veterinarian

Published on November 3rd, 2016

Buddy may have a mite infection (demodicosis) or a bacterial/fungal skin infection. I suggest you make an appointment with your veterinarian for a skin exam, possibly some diagnostics (skin swab, culture or biopsy) and relevant treatment.

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1Pet Parents found this answer helpful

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    Answered By Oneal Bogan, DVM

    Veterinarian

    Published on October 13th, 2018

    Hi there. Bald spots can be due to various things. Most common causes in puppies are demodex mites, ringworm and allergies. He will need to have his skin tested for these causes to determine what is going on. Once a diagnosis is made, these can all be easily treated. I hope that helps. Thanks for using Petco Pet Education Center, formerly Petcoach.

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    1Pet Parents found this answer helpful

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