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Why does my cat have a hairless patch and dried blood on her neck?

Updated On September 23rd, 2025

My cat is four and a white hairless patch has appeared the back of her neck, she also has what looks like dried flakes of blood there, what could this be? She also love rubbing her chin on the scratching post to the point of dribbling and sometime it appearing red, is this a problem? Also do you think she's lost hair by her ears, is this a problem, she has blond hair there so i can't tell if its hair loss

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2 Answers

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Answered By Dr. Elizabeth

Veterinarian

Published on May 30th, 2019

Hair loss is that area could be a few things. If you are using a topical flea medication and applying it there, that could be the cause. Cats can also get skin mites, allergies or ringworm (which humans can get), or an injury. Could the dried blood be from her scratching with her hind paw? From the photos, I don't appreciate any hair loss around the ears. Minor wounds can often heal on their own. Monitor the lesion closely, if it doesn't begin healing within a week or if it starts looking worse, have her examined by the veterinarian. Also make sure she is not scratching at the area. Best of luck.

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    Answered By Dr. Leigh, DVM

    Veterinarian

    Published on December 7th, 2016

    It sounds like she has a hot spot (moist dermatitis) which can be caused by an allergy, parasite, infection, etc. You could give her a bath with a medicated shampoo and see if that helps but she probably needs an antibiotic, anti-histamine, and/or a corticosteroid to help treat the lesion. Your vet can prescribe medications to help.

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