When a cat growls and hisses, there is often fear behind it. The tiger tries to present itself to its environment and a potential "enemy" by the aggressive appearance as a greater threat. But this behavior is not only triggered by an actual dangerous situation in cats, stress, pain or an otherwise unpleasant situation can cause hissing and growling. Important: Just because you can't tell why your cat is aggressive yourself at first glance doesn't mean that it actually does it for no reason.
Cat growls and hisses: possible reasons
Often more or less small changes can be enough to take a cat out of its daily routine. Stress and fear can result and cause the cat to growl and hiss. For example, is there a new life partner in the house or has the family grown? Have you recently moved and the velvet paw has not yet got used to the new environment? Or was another pet even bought? All of this can cause (temporary) restlessness in your cat.
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Resentment can also growl
Fear and uncertainty are not the only reasons for a cat to show warning behavior. Even if a cat is upset for some reason, it can be expressed by growling and hissing. Maybe your cat is tired of being petted or does it make you unhappy with something you did (of course not maliciously)? For example, if your cat was left alone while on vacation or on a business trip, she may demonstrate her displeasure with it after returning through scratchy behavior (even if you of course arranged for a cat sitter).
Pain as a cause when the cat growls and hisses
If you can rule out all these options, the pain factor remains. Arthritis, toothache and other illnesses can make touching your pet uncomfortable and therefore signaling at the prospect of cuddling with growling and hissing signals that it wants to be left alone. So if you really can't make out why your cat is growling and hissing, going to the vet is the next step. He can examine whether your cat is sick or has any other complaints and, if in doubt, advise you on how best to deal with the behavior of your four-legged roommate.