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Why is my cat losing fur on her leg with red spots and feels warm?

Updated On September 23rd, 2025

Pet's info: Cat | Egyptian Mau | Female | unspayed | 5 years and 11 months old | 6 lbs

Hi my 6yr old cat has been experiencing hair loss on her hind leg. It started with a very small patch and now it became very big. Some ares have small red spots and others have small dark spots (like dry skin). The area feels warm to touch (maybe thats normal). She doesnt scratch it abnormally excessively or chew on it. We tried washing her with ketocanazole shampoo for 3 weeks but it kept getting worse. Please helps.

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2 Answers

Most Helpful Answer

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Answered By Daniel Fonza, DVM

Veterinarian

Published on January 28th, 2018

Hi there and thank you for using Petco Pet Education Center, formerly Petcoach to address your concern. The cause of the hair loss could be allergies or skin mites as well. I would make sure the veterinarian scrapes the skin to check for parasites of the skin. This may also need an oral antibiotic in addition to topical therapy to see if it will respond. You can also try a different shampoo such as Douxo PS Chlorhexidine combination shampoo and bathe twice weekly. If there is no improvement and your vet is unable to resolve this, I would recommend a second opinion with a veterinary dermatologist if possible. I hope this helps! Please let me know if you have any other questions or concerns and I would be more than happy to help you further.

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    Answered By Daniel Fonza, DVM

    Veterinarian

    Published on March 29th, 2018

    Hi there and thank you for using Petco Pet Education Center, formerly Petcoach to address your concern. What you are describing could be a skin infection such as ringworm or a bacterial skin infection. I would recommend having this examined by a veterinarian so that the most appropriate diagnostic and treatment recommendations can be made. The wounds that have shown up in that area could be from her scratching at the area if it is uncomfortable. She may need antifungal / antibacterial medications both oral and topical. Please let me now if you have any other questions or concerns and I would be more than happy to help you further.

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