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Why is my cat aggressive and miserable when she's in heat?

Updated On September 23rd, 2025

Pet's info: Cat | Mixed Breed | Female | unspayed | 12 years old | 14 lbs

Why is my cat aggresive and miserable when in heat

1 Answer

Most Helpful Answer

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Answered By Dr Stafford, BVetMed, MRCVS

Veterinarian

Published on June 30th, 2017

When cats are in heat their hormones are at different levels to normal. This hormonal fluctuation can cause change in mood, all you can really do is give your cat a bit of space. You could try buying a pheromone diffuser which could help calm Nugget.

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