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Why are yellow, crusty, bloody bumps spreading on my dog's skin?

Updated on September 23rd, 2025

Pet's info: Dog | Mixed Breed Small (up to 22lb) | Female | unspayed | 26 lbs

My dauschaund started getting lil bumps on the top of her head and ears now its starting to go down her back they are yellow crusted bumps abd if u remove the yellow crust it looks a little bloody what can this be it is increasing

1 Answer

Most Helpful Answer

Jenna Beyer, DVM, MBA, cVMA

Answered By Jenna Beyer, DVM, MBA, cVMA

Veterinarian, Certified Veterinary Acupuncturist

Published on August 12th, 2017

This does not sound like a normal thing to happen in dogs, and I recommend that Binky see a vet for her skin issue. Your vet may do a skin scrape to look for mites, skin cytology to look for bacteria or yeast under a microscope, or bacterial or fungal cultures may be needed. Possible causes for bumps include fleas, mange, lice, infections (bacterial or yeast), ringworm, allergies, among others. I would recommend that Binky be on year-round flea prevention. While you await for your appointment, you can try a medicated shampoo like Dechra MalAcetic Ultra Shampoo, but be careful not to get it into her eyes. Also, think of any changes that have happened in the last few weeks, like changes in food, treats, medications, supplements, or household cleaners that could have had an effect on her skin.
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