Aggressive Cats: Understanding the Causes and When to Seek Help

An aggressive cat can quickly disrupt life at home. Scratches, bites, hissing… Many cat owners feel helpless in the face of their cat’s behavior. However, a cat almost never attacks without a reason. Mama explains how to understand your cat’s aggression, prevent it, and know when to seek help.

The main causes of aggression in cats

Aggression in cats is often a sign of insecurity or distress. It’s also important to note that the intensity of this aggression can vary greatly, ranging from a simple swat with the paw to a full-blown attack.

The first step is to understand why the cat is being aggressive. Cats sometimes use sudden movements to express their dissatisfaction or impatience. These are usually harmless signs that quickly end with the cat running away. But certain more intense behaviors can have various causes:

• Fear: a noise, a stranger, another animal, a visit to the vet.
• Pain: A cat that is in pain—for example, due to arthritis or dental issues—may react when touched.
• Uncontrolled play: common among young cats that have grown up without siblings or that are bored.
• Overstimulation during petting: Some cats have a hard time tolerating being petted for long periods of time.
• Redirected aggression: Your cat sees another cat through the window, can't reach it, and takes it out on you or another cat.
• The territory: the arrival of a new animal or person, or a move.
• Improper weaning or a lack of socialization when he was a kitten.
• Age, which can make a cat less patient.

How to Read Your Cat's Cues

Your cat almost always gives you a warning before attacking. Learning to read its signals will help you avoid a lot of scratches.

• A cat ready to attack: dilated pupils, ears pinned back, bristled fur, arched back, and a tail lashing about.
• A frightened cat: ears flattened against its head, whiskers pressed against its cheeks, tail tucked under its body, body crouched low to the ground.

When you notice these signs, give him some space. Don't try to hug him or force him to feel better.

Good Habits for Everyday Life

• Never physically punish him. Punishment increases fear and can make aggression worse.
• Avoid situations that trigger his attacks, and don't force contact.
• Respect his limits when petting him: stop before he gets annoyed.
• Play with him every day using a feather wand or a toy held away from your hands—never with your fingers.
• Reward calm behavior with a quick pat or a moment of play.
• Enrich their environment: cat tree, hiding spots, scratching post, high vantage points.
• Gently introduce a new animal: start by keeping them apart, then let them exchange scents, and finally bring them closer together gradually.
• Never put your hand between two cats that are fighting. Instead, use a pillow or a barrier to separate them.

When should you see a veterinarian?

If your cat suddenly becomes aggressive, it’s not just a whim. Pain, a thyroid problem, dental issues, or a neurological disorder can cause a change in its behavior. That’s why the first thing you should do is make an appointment with your veterinarian to rule out any medical causes.

If the aggression persists despite your efforts, your veterinarian may refer you to a veterinary behaviorist. The sooner you take action, the more effective the treatment will be. And if treatment is necessary, only the veterinarian can decide on it.

You may have heard about CBD for pets. It’s a topic that veterinary research is exploring, but the results are still limited and don’t allow us to draw any conclusions at this time. For your cat, the rule is simple: never give your cat a hemp product meant for you, keep all your products out of your cat’s reach, and for your cat’s health, let your veterinarian decide. Mama explains why in the article “CBD and Pets: Precautions You Need to Know.”