Why is my dog's nose discolored? Could it be demodectic mange?
Updated On September 23rd, 2025
Pet's info: Dog | Mixed Breed Medium (23 - 60lb) | Female | spayed | 2 years and 6 months old | 55 lbs
Is this demodetic mange?
2 Answers
Most Helpful Answer
Published on October 13th, 2018
This does not look like typical demodectic mange. Typical would be skin lesions and loss of hair around the eyes and other parts of the body. Demeodectic and other manges can be diagnosed with a skin scrape. What I am seeing on your photos is depigmentation of the philtrum/nose and skin around the mouth. This could be a sign of bacterial infection, or an autoimmune disease, or possibly a fungal infection. This cannot be diagnosed via a photo, so you will need to take your dog to your veterinarian for an exam.
1Pet Parents found this answer helpful
Related Answers from Veterinarians
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Published on August 3rd, 2019
I would recommend having Scarlet examined by a vet. It appears bumpy and all around the edges of the nose, which could be caused by some types of liver disease, autoimmune disease, infection, and even cancer. The vet will do a thorough examination and may recommend taking a sample for examination under the microscope or a biopsy to be able to determine the cause.
1Pet Parents found this answer helpful
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