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Updated on September 23rd, 2025
Pet's info: Cat | American Shorthair | Female | spayed | 4 months and 18 days old
My four month old cat has recently got flees. She has a patch of fur missing. The area looks very dry and has what looks like scabs. She always has two or three areas with brown stuff in the roots of her hair. What could this be?
2 Answers

Answered By Dr. Melanie, BVSc MS
Veterinarian
Published on November 19th, 2016
Answered By Dr. Melanie, BVSc MS
Veterinarian
Published on June 27th, 2017
These won't be heartworms, as they aren't passed in the feces. From the pictures you provided, it looks like flea dirt to me and Flora and Fauna may have fleas. I will give you a flea treatment program for them, and I would also make sure they are up to date on their deworming treatments for intestinal worms.
Flea treatment:
First, I would give them Capstar. It's a one time pill that starts killing fleas within 30 minutes. Then follow up with a spot on treatment, such as Advantage or Revolution. This is a treatment that has to be used once a month. You will also have to disinfect the environment. Wash their bedding in hot soapy water, and vacuum the furniture and carpet surfaces. You can use a spray to kill fleas in the house, such as Indorex, or a flea bomb would work well to kill the fleas in the home.
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