Common Ground News

Get Updates

Why are my female cats fighting all of a sudden?

Author

Carter Sullivan

Updated on March 17, 2026

Why are my female cats fighting all of a sudden?

An excellent explanation for this strange behavior can be caused by a number of triggers. er suddenly become aggressive toward each other, the problem is generally fear-induced aggression. Neither of the cats seeks the other out, but if they run into each other, both will act startled and attack.

Likewise, why are my cats fighting all of a sudden?

-Aggression with a medical origin is also common. Pain is the most sudden medical cause for sudden aggression, particularly in older cats or those who have always had a calm temperament. -Territorial aggression happens when a cat feels an intruder is infringing on his or her territory.

Similarly, how do I stop my female cats from fighting? Distract them: Cats can get very engrossed with fighting, but you can try and distract them. Find something you know the love, like a toy, and make a noise with it. This might get their attention and stop the fight.

Considering this, why are my two female cats fighting all of a sudden?

If your cats suddenly start fighting when they previously lived together without altercations, the first step is to take them both to your veterinarian for medical evaluation. Medical problems can cause a cat to be in pain, grouchy or confused, which increases the likelihood for aggressive behavior.

How do you stop one cat from attacking another?

Don't try to calm or soothe your aggressive cat, just leave her alone and give her space. If you come close, she could turn and redirect her aggression toward you. Reward desired behavior. Praise or toss treats to reward your cats when you see them interacting in a friendly manner.

Why does my cat attack my other cat for no reason?

Underlying causes

Targets are usually moving objects or people and may be another cat, especially an older one, in the household. Young cats, especially those that are orphaned, hand raised or weaned early, are more likely to show this type of aggression and in many cases it may be normal behaviour.

What is the meanest cat breed?

Siamese

What to do when your cats start fighting?

Don't try to calm or soothe your aggressive cat, just leave her alone and give her space. If you come close, she could turn and redirect her aggression toward you. Reward desired behavior. Praise or toss treats to reward your cats when you see them interacting in a friendly manner.

How do you tell if my cats are playing or fighting?

Are My Cats Playing or Fighting?

Claws should remain sheathed.
Ears should largely remain in normal position and not pinned back.
No piloerection of hair.
No growling.
No hissing.
Any biting should be minimal and done without causing pain or injury.

How do you calm an aggressive cat?

Here are 5 great ways to help calm your aggressive cat.

Find the Source of Aggression. In order to resolve your cat's aggression, you'll first need to find the source.
Interrupt the Aggressive Behavior.
Use Calming Diffusers and Sprays.
Provide Alternative Stimulation.
Try Behavior Modification.

Do cats get jealous?

Just like some people, cats can become jealous when they feel they're being excluded or their environment has changed drastically or suddenly. The jealousy may be triggered by any number of events: Cats may show signs of jealousy when you pay more attention to an object, person, or another animal.

Can a cat kill another cat?

With respect to domestic cats, it is possible for one cat to kill another but, in my opinion, it won't happen deliberately but will be as a consequence of a fight over territory (and it will be very rare). Domestic cats don't attack other domestic cats as if they are prey with the intention of eating them.

Why are my bonded cats fighting?

Many bonded cats enjoy play fighting and will chase each other, roll around and bat each other with their paws. Play fighting is often silent, with plenty of gaps in between as each cat repositions itself. The biting is gentle and causes no injury or pain to the recipient and the claws are usually retracted.

Can two female cats get along?

Putting two adult female cats together can be risky. But again, it totally depends on the cats. If you have an adult female cat and are looking to adopt another female, a kitten or a youngster is your safest bet. Two female kittens raised together should be fine as well.

Should I take my cat to the vet after a fight?

1-2 Hours in: Talk to Your Vet

Your vet will likely encourage you to keep a very close watch on bite injuries for at least a week. When infected, bite wounds can swell, result in abscesses, and even induce septic shock. The best treatment for cat fight injuries is prevention!

How do I establish dominance over my cat?

Simple dominance will be exhibited by a cat by marking or spraying urine on territory, stealing and hoarding toys, rubbing its face on items it wants to claim as its own, and claiming specific areas to sleep. Cats who live alone may even exhibit these behaviors due to its natural instincts–and you may not even notice!

What does cat yowling mean?

Growling, hissing, and spitting indicate that your cat is annoyed, frightened, angry, or defensive. The yowl or howl is a long, drawn-out meow with a few possible meanings: your cat is scared, in pain, looking for a mate, or has captured prey.

Why does my cat bite my other cats neck?

It's an act of dominance. This is actually how cats mate. The male bites her on the back of the neck to hold her in place, and she yowls because the male organ is spiked and hurts like heck when he pulls it out. Sexual behavior/urges don't vanish just because the cats were spayed/neutered.

Do spayed female cats still attract males?

Sexual Activity in Cats After Spay or Neuter

This means the cat's body should no longer produce sexual hormones. If the cat reached reproductive age prior to sterilization, there may be residual hormones right after surgery. These hormones may cause the cat to temporarily continue some sexual behaviors.

Should I let my cats fight?

Never let the cats “fight it out.” Cats don't resolve their issues through fighting, and the fighting usually just gets worse. More hiding spots and perches will allow your cats to space themselves out as they prefer. Don't try to calm or soothe your aggressive cat, just leave her alone and give her space.

How do you stop two cats fighting?

7 Ways to Stop Your Cats From Fighting

Identify conflict causes. The best way to stop your cats from fighting, is to identify the cause!
Think About Territory.
Increase Kitty Resources.
Be Careful With Rewards and Attention.
Rewind, and Control Introductions.
Check with the vet.
Try FELIWAY FRIENDS.

Are female cats territorial?

Both male and female cats are territorial, but males may defend larger territories than females. Cats' territorial aggression is usually directly toward other cats, but it can be directed toward dogs and people, too. Cats mark their turf by patrolling, chin rubbing and urine spraying.

Do female cats spray?

When a cat is spraying urine vertically against a wall or window, this is a true marking behavior." Why Do Female Cats Spray? The more territorial your cat is, the more likely it is that she'll mark her territory. Unneutered cats and cats living in multi-cat households are more likely to spray to mark their territory.

Is it OK to spray a cat with water?

Spraying cats with water from a squirt bottle is not a reinforcement; it's a punishment. The inappropriate behavior will fade away, the bond between you will be strengthened because you're giving rewards based on something your cat does (i.e., operant conditioning), and your cat won't fear or distrust you.

Will my cat kill my kitten?

But no your older cat will not kill the kitten. It will hiss at the baby and will teach it that he/she is older and therefore the boss. After awile the older cat will get will get used to the kitten and they will become friends. Only time will tell if they will ever get along.

Why does my boy cat attack my girl cat?

Male cats are especially aggressive and these cats keep fighting. Sometimes, they also dominate female cats. Your cat may need to act out their aggression by picking fights with their brothers and sisters or by causing a fight with a strange cat. In such cases, it is best to separate your cats if you can do so safely.

Related Documentation

What is the factor pair of 32?

Is Lavender a hybrid?

How long does Apple Time Machine take?

Why are my female cats fighting all of a sudden?