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My cat's anal sacs were expressed, material is yellow. Is it infected?

Updated On September 23rd, 2025

Pet's info: Cat | Persian | Female | spayed | 3 years and 2 months old | 8.8 lbs

My cat had anal sac impaction i expressed them , the odor was so bad , how could i know if it is infected or not ? The material was yellow to white

1 Answer

Most Helpful Answer

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Answered By Dr. Melanie, BVSc MS

Veterinarian

Published on June 20th, 2017

While the smell of anal sac contents is typically quite bad, the material should not be yellow to white. It's normally a brownish color, and so I would be concerned that the color of the expressed material is a sign of infection. I would have Asai seen by a vet for this, as she may need antibiotics to treat the infection.

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