Source checked 12 November 2026. PawLine editorial team. Not professionally reviewed.
Educational information, not veterinary or individual behavior advice. Stop unwanted interaction and give space. Contact your veterinary team for new, persistent or concerning behavior. Do not provoke a repeat to collect a note.
Don't force a meeting
Cats Protection describes hissing around other animals as a sign of discomfort or perceived threat. This page does not tell you to hold the pets close, let them fight it out or use punishment. A sound is not proof that an introduction is progressing well.
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Keep people out of the conflict
Do not put hands between distressed animals or try to demonstrate the problem for a worksheet. If you cannot manage the situation safely, ask the veterinary team or an appropriate professional for help. This site does not provide emergency separation techniques.
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Write the sequence, not a winner
Note which animals were present, the setting and what you actually observed before and after the sound. Avoid dominance labels or deciding that one animal caused every event. One short scene cannot establish the whole relationship.
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Ask for an individual plan
International Cat Care describes veterinary assessment and, when needed, referral to a qualified clinical animal behaviorist. A household plan should account for medical and environmental factors. Our note is preparation, not a substitute for that assessment.
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Sources and limits
Cats Protection: Why is my cat hissing?