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Why is my German Shepherd's skin black, losing hair, itching, and weak?

Updated On September 23rd, 2025

Recently,my adult german shepherd dog have her black skin and a likely bald fur. I don't know why her hair is always falling and she always scartch it. She's getting weaker by now.

2 Answers

Most Helpful Answer

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Answered By Jennifer Summerfield, DVM CPDT-KA

Veterinarian, Certified Dog Trainer

Published on December 19th, 2016

There are a number of things that could cause excessive itching with hair loss and blackened skin. The most common possibilities would include allergies, fleas, a bacterial or fungal skin infection, or skin mites (mange). If she's also acting weak, I would be concerned that she may also have some type of systemic illness like liver or kidney disease, anemia, hypothyroidism, or Cushing's disease. It would be best to have her examined by a vet as soon as possible - he/she can do some simple skin tests as well as blood work or other testing if needed to help determine what's wrong and get her started on appropriate treatment.

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Other Answers

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    Answered By Jenna Beyer, DVM, MBA, cVMA

    Veterinarian, Certified Veterinary Acupuncturist

    Published on September 21st, 2017

    Changes in fur or skin color can often happen from chronic inflammation, which can happen with fleas, mites, food allergies, yeast infection, mites. It can also happen with endocrine disorders such as hypothyroidism or Cushing's Disease. Since Sabina is an older girl, I would recommend that she get checked out by your vet. If she isn't already on a monthly flea prevention, I would get that started. You can also try a medicated shampoo (see link below). If your vet does not know what could be causing her hair loss and itching after examination, they may recommend bloodwork to look for endocrine or other disorders. https://www.petco.com/shop/en/petcostore/product/well-and-good-soothing-itch-dog-shampoo

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