Dealing With an Aggressive Cat? 7 Reasons Why Cats Become Aggressive
Even the most experienced cat caretakers can find themselves charged up on adrenalin when having to face a cat in the midst of a fit of aggression. But encountering a hissing, growling, screaming, and possibly even scratching and biting cat can strike terror into the hearts of people who don’t know how to handle an aggressive cat.
Related: Do You Have an Aggressive Cat — or Just a Brat?!
But cats don’t just suddenly go crazy: There are almost always warning signs and there’s almost always a good reason for cat aggression. Here are seven reasons why cats become aggressive and how to handle an aggressive cat.
An aggressive cat might be responding to pain. Photography ©points | Thinkstock.
1. Cats Become Aggressive Because They’re in Pain
Cats who are in pain will respond with hisses and swats when sensitive areas are touched. My cat, Siouxsie, does this if I accidentally put pressure on her sore hips. A hard yank on the tail, for example, can be quite painful. Ignore the warning signs and a scratch and possibly even a bite may follow. This is especially true if the pain is a result of physical abuse such as being kicked or hit.
2. Fear Can Cause Cat Aggression
A terrified cat will respond with body language that’s obvious to an experienced cat caretaker: She will turn sideways and puff up her tail and fur in order to look larger. Her ears will flatten backwards, she will hiss and her pupils will dilate. Attempting to approach a cat in this state is risking an aggressive reaction, not because the cat dislikes you but because she’s in the middle of a panic reaction.
3. Hormones May Cause a Cat to Become Aggressive
A cat who is not spayed or neutered is much more likely to be aggressive. Male cats in particular are biologically wired to fight with other male cats when females in heat are present. If you see two cats fighting, do not physically intervene because you will almost certainly become the target of the cats’ aggression.
4. Cats Can Get Aggressive Due to Frustration
“Redirected aggression” is the term for violent acts carried out by cats because they can’t reach the object of their predatory passion. For example, an indoor cat who sees another cat walking by or marking his territory in “his” turf may get into a highly reactive state. At that point, anyone unfortunate enough to be nearby, whether that’s another cat, a dog or a person, may end up on the receiving end of the cat’s aggression.
An aggressive cat may be responding to stress within your home. Photography ©Ornitolog82 | Thinkstock.
5. Cat Aggression Happens Due to Stress
If a cat lives in a highly stressful environment — for example, a home in which people are fighting or a home with too many cats — it’s quite possible for that cat to be quick to respond aggressively. Like children who live in homes with a lot of verbal and physical violence, or a lot of unspoken anger, cats often act out the dynamics of their human families.
6. An Aggressive Cat Might Be Responding to Trauma
Don’t laugh: Cats can suffer from post-traumatic stress. Their brains are wired similarly to ours, and the effects of chronic anxiety from past human violence or struggling to survive on the streets can lead cats to become aggressive. In order to resolve this issue, a short course of anti-anxiety medication (prescribed by a vet, of course; don’t give your cat your antidepressants, please), homeopathic remedies or flower essences can help make a cat less reactive to triggers.
7. Chemical Imbalances Can Cause Cat Aggression
This is by far the rarest reason for cats to become aggressive. But like humans, some cats simply have biochemical imbalances that affect behavior. For these cats, antidepressants or anti-anxiety medications can be a lifesaver.
The bottom line on handling an aggressive cat
No matter what the cause of the aggression, there are almost always warning signs. If you understand feline body language, you’ll be able to see that your furry friend is getting wound up before the situation escalates to a crisis point. If you have a highly reactive cat and you want to help him or her, be aware that it will take time and patience — but take it from a person who has rehabilitated traumatized cats: The reward is so worth the effort!
Tell us: How about you? Have you had an aggressive cat? Were you able to help your kitty feel better and become less reactive? What did you do to help her? Have you ever been unable to help an aggressive cat? Share your thoughts in the comments.
Featured photograph: Photography by elwynn / Shutterstock.
179 comments on “Dealing With an Aggressive Cat? 7 Reasons Why Cats Become Aggressive”
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Hi. I need some help. My cat,moon( yes it’s his real name) kneads on my hand whenever i pet him and it causes swollen itchy spots on my hand(Although he isnt attacking me) but i was had a one year old cat(fiona) who did the same thing but caused no swelling. Any ideas???
One thing that I have noticed, with owning (Ha!) a variety of cats over the years, some cats produce more saliva than other ones. Since cats are always grooming their paws, etc. their saliva is spread all over the area. Whatever substances that are in that saliva (especially when they are excessive spit makers) can cause the reaction you are talking about. It’s similar to a cat scratch reaction. Hope this helps.
My male cat is now 3 1/2 years old . I am retired and pretty much stay at home mostly . Last year I was at a doctors appointment and was gone around 3 hours . When I came home , my cat greeted me as always , then after a few minutes when I tried to pet him he reared back , hissing and snarling . I stepped back , but then he attacked , full on claws and teeth . Hit my leg and I was bleeding from half a dozen wounds . None requiring stitches thank goodness . He wouldn’t interact with me the rest of the day . Next morning he’s back to normal . Every time I left the house for more than an hour he goes into that angry mode now . Usually I will ignore him when I get home and let him calm down . Usually that works but I’ve picked up a few more scars along the way . The vet says it’s because I’m home so much and he misses me and gets mad at me for leaving him alone . Recently I adopted a second cat to keep him company . The 2nd day she was here she started to pee on the carpet and so I picked her up to show her where her litter box was . My boy went nuts and attacked me , not once but 5 times in quick order . I was bleeding from both legs my hip and my arm . He is very protective of her I guess . Yes he is fixed and an indoor cat with lots of toys .But he is a rescue cat , saved from being killed by a pack of dogs when he was about 3 to 4 weeks old that killed his mother and litter mates . He does not like dogs and I’m very careful around people with dogs so I don’t get their scent on me .
The article recommends homeopathic remedies and flower essences. Neither will do a cat or any other creature any good because they are based on pseudo science and near magical
theories. Tests have shown these remedies often contain harmful ingredients, and most are simply water in a fancy bottle.
Please do not use quack remedies on your cat. Find a good vet.
I have one of the strangest cats that I have ever owned. My mom found him outdoors close to evening at her home & begged me to take him in. Since I have other kitties, He had his own room at first (it actually took a year & a half to get him to semi-accept my other 2 kitties). He seemed friendly enough at first, so we named him Tigger. Wrong name for this one! First vet visit, we were informed that he is part Bobcat. Believe me, he has the screech call that is true to bobcats. We also found out that he had been stuck in a beartrap, but thankfully go free without injury, except for some deep bruising on his back leg & hip area. Now on to the aggressive behavior…this cat will rub up against you & meow sweetly….but if you go to pet him, it’s a full on attack. We’re talking a lunge followed by teeth & all 4 legs, if he can swing it before you get away. His back legs are very strong & double jointed (I’ve never seen such movement out of any other cat I’ve owned–hence the bobcat genes I guess). It is very concerning since visitors (many times without us knowing that they are coming) are often here & this cat greets everyone at the door so sweetly. Help would greatly be appreciated on how to deal with this.
I need help with my Meow! (Yes, that is her name.)
Although lately we refer to more by her nickname, P.I.T.A (Pain In The… well you get the picture).
(Brief Background)
She adopted me about 5 years ago. I lived in a house house where each room was rented out individually, and one of the other tenants brought her to the house. She was hardly ever home, and then she moved out about two months later. Meow who was Gypsy back then was left behind. One night I was in my room and the cat literally came knocking on my door, she was hungry, lonely, and sad.
I shared my dinner with her, the next day went and bought her the biggest bag of cat food I could find. She came to visit my room everyday. She had a tiny almost silent meow, it was the cutest thing, which is how she got her name.
We have been through everything together since then, I saved her when she was stolen from me, she stuck by me through a really hard relationship. We were homeless together and lived in a tent in the woods. She’s always been a bit wild, but never aggressive towards me.
That is until a little over two months ago. It’s not just me that she’s been attacking, but she never used to attack me.
Now, it seems like no matter what I do, from trying to feed her, play with her, help her, or even absolutely do nothing, she attacks, scratches, and sometimes even bites me pretty much every single day.
She is fairly spoiled, she knows all she has to do is turn her back on something she doesn’t like and I will drop everything to try to make things right for her. But I figure she deserve it.
I just don’t know what to do about her aggressive behavior, it really hurts my feelings, not to mention it’s painful, and I’m starting to look like I’ve had a mashap with Freddy Krueger.
I love this cat so much, but don’t know how to help her through whatever this is. Please help…!
Meow is sick, I think. Hormone imbalance? A Vet should be able to run some tests on her to see what’s up.
A 2 female cat hone. Both spayed. 7 yr old and youngest becomes aggressive toward me. She’s my favorite. Indoor but screened patio.
Aggression comes on suddenly…hissing, swatting…???
My cat attacked me when I was about 12 years old because he wanted some food and when I went to give him some it was all gone. I went from the kitchen two rooms away and yelled to my mom was there was any more cat food. She said no. The cat was watching me from a seated position and then ran toward me and jumped on my digging his claws in my chest and legs. I had to fight him off of me. After I won the fight he never attacked me again. Suffice to say I don’t like cats at all.
my sister has a cat that will suddenly attack her. she could be on the computer or just sitting doing nothing and he will attack. she has sent me pictures of a swollen lip and scratches on her arms from him. she has had him for about 3 or 4 years now and this is suddenly happening. I am trying to research for her in order to help her. suggestions??
Can you let me know if you found a solution? My cat is the same and it’s miserable always having cuts and scars due to random attacks
I have two female cats and they’ve been together for many years but all of a sudden my older cat Bella he is being aggressive towards the younger cat I have PB is her name and aggressive to me histon pack me one time I was trying to calm her I don’t know what to do so I took her to the vet to vet gets her anti-depressants I would like for her to be drugged up but I don’t know what to do it’s sad I missed and sometimes the older cat chewed sweet as can be but there’s times that she’s just like evil what should I do PeaceHealth
Hi
We have a 2 years old regdoll. She is very friendly and kind with children.
She gave birth a month ago. We never had any issues with her till today. So the problem is my 4 years old live her and play all the time with her.
Today my 4 years old was watching TV while the cat was sleeping, he screamed and the cat got very aggressive and attacked him badly. Thanks God I wasn’t far to run and help my son. I took my son upstairs because he was scared and bleeding. So after one hour I can downstairs with my son and the cat ran again to attack my son. But because I was there I kicked the cat out of the room.
I really can’t understand her behaviour how can she be suddenly so aggressive. We love her and for us she is part of our family. Do you think she will attack again? I am very worried about the situation. My son is very scared of her. I am trying to put them in different rooms. And see if the cat is going to be normal otherwise I don’t have Any other options then giving her away, I love her but my son before everything. The other thing that bothers me is about may be she attacks again.
suggestions please. Can anyone help me to understand this change in her behaviour?
What should I do?
Thanks
Where are her kittens? Mother cats are very, very protective of their babies. If you have separated them, or given babies away already, Mommy gonna be very unhappy.
We have 2 cats that are 3 years old and we rescued a kitten things went pretty well. They are all females and all have been spayed. One cat will sleep with the kitten all is fine the other wants nothing to do with her. Times has moved the Kitten is now 1 1/2 years old. The cat that wanted nothing to do with her is now attacking her all the time. She will sit or lay down in an area so the little one can not go to that area without being attacked. The older cat will stare at the young one so that she slinks about the house hoping not to be caught. It is getting hard on us. The young one hissing back at the old one and screaming when she get it by the old cat. We do not know what to do!!!
I don’t know what to do. My husband threw out our second oldest cat, Casper last night. He’s always behaved aggressively when other cats stray onto his territory and has attacked me when I’ve tried to intervene. Two years ago I found a five day old kitten and raised it. Bilbo is a sweet and gentle animal. I intended getting him adopted because we already had three cats and we lived overseas. However, the African country we found Bilbo in has many strays and no one wanted to adopt him. In addition, another kitten needed a home so I took in her. When Bilbo neared two years old a few months ago, Casper suddenly found him a threat and started attacking him. Bilbo is terrified now. We were evacuated back to the US about six weeks ago and the attacks have increased. I woke one morning hearing Bilbo growling by my head. As I lifted my head, Casper leapt up and bit my ear. However, Casper squeezes his eyes closed when I look at him, so I know he doesn’t really mean ME harm. Last night, Casper attacked Bilbo again, my husband got into a rage and terrified Casper. He chased him all over the house, searching him out when he hid. Eventually, at midnight, he opened the door and Casper ran outside. He hasn’t come back- no surprise- but I put out food. When he saw the food, my husband took it back in saying Casper wasn’t coming back. He says he’s not going to allow Bilbo to be terrified all the time. I don’t know what to do. All Casper wants is to be an only cat. He snuggles up on our bed. I’m so upset with the whole thing. Advice please?
Sounds like cats are in a constant state of fear. You may want to rehome both. Your husband is abusive. The cats are being victimized (and maybe you too). Cats have no control or defense. You do.
Your husband did not handle the situation well at all. The first thing you should have done was to call your vet & explain the situation. Your cat may do will with pheromones for cats. They plug into the wall & help keep cats calmer. It works. Throwing out an animal is a terrible thing to do. You could have kept the aggressive cat separate until you worked out the problem. Maybe your husband should get tossed out because he has bad behavior.
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