One cat may have spotted an unfamiliar animal outside and redirected his aggression toward a companion cat. So I have 2 female cats that are 11 years old and I have had them both since they were kittens. The ultimate goal is to get them back to normal, because (let’s face it) separating them is a major inconvenience to the household and can be incredibly stressful on both cats. These cats simply do not know how to share or get along with other cats. Cats tend to prefer consistency over change. It wouldn’t hurt to get a vet check up for both cats to make sure one or the other hasn’t developed a condition that the aggressor might be picking up on or experiencing. I went away for 4 days on business (cat sitter here every day) and came back to the female hissing and running away in fear of her brother. A thorough physical exam, patient history, and an established veterinary-patient-client relationship is required to provide specific medical advice. If the cats had previously gotten along but have suddenly become enemies then redirected aggression may also be a possible cause. Original Question: Good morning. The most common is undersocializationa lack of pleasant experiences with other cats early in life. Friends turned foes overnight. Nobody likes a cat fight -- the hissing, the yowling, the potential for real harm to one or both cats. After several days of doing this, you may be ready to reintroduce the cats to one another. Sibling cats suddenly fighting after vet. the girl, Zsa Zsa, had a urinary issue, which I believed Rajah looked at as a weakness and thus created his aggressive behavior. All advice presented by our veterinarians, clinicians, tools, resources, etc is not meant to replace a regular physical exam and consultation with your primary veterinarian or other clinicians. This is espe… Of course, if you need a gate that’s higher because you have a leaper, a wire mesh gate can be a great choice. So give each cat their own set of resources and put them in separate areas to avoid tension caused by competition (Remember, you can put them on different levels, one on the floor and higher up). Although, we hadn’t yet had a chance to rule out anything going on medically, the cats when separated acted completely normal. – thankfully, it hadn’t progressed to that point yet. And basically the past week they have been fighting repeatedly at night with these awful growling, whining noises. After weeks of keeping the two separated we finally re-introduced them slowly and we are really hopeful that life may go back to normal. My Tips for Dealing with Fighting Cats. When can you start brushing a cat’s teeth? Maternal AggressionA female cat with a litter of kittens may hiss, growl, chase, swat or try to bite another cat who approaches, even one with whom she was formerly friendly. For some cat parents though, their cats' playtime may look as if it's crossed over into aggression. If you are worried that your pet is having an emergency or if you have specific medical questions related to your pet’s current or chronic medical conditions, please contact or visit your veterinarian, an animal-specific poison control hotline, or your local emergency veterinary care center. In our case (as previously shared) it's been more than a month and a half. Yet tiffs among felines are more common than you might think. They are indoor cats except for the patio. Answered by: Jeanne Perrone, MS, CVT, VTS (Dentistry). Obviously that was not the case, since I had placed them in areas the cats couldn’t access, but you know how the mind wanders. Cat behavior problems. They’ve always gotten along for the most part, like they will both sleep on the bed with me at night and would play together now and then. He/she may try to flee or attack, depending on the circumstances. If it seems that each are curious and seem relaxed, try having them mingle without barriers. 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. Again, until recently. We also wanted to make sure there wasn't a health concern. Specifically, I had recently put gel packs in our closets to absorb any moisture and started to question whether he had consumed the toxic packets. What’s good about this separation is that you can monitor if your cat is not eating, how much water they are consuming and any bathroom habits. Behavior is always a challenging subject to deal with. Why are my cats fighting all of a sudden? Brief engagements of course, but after increasing their mental stimulation with cat toys while in the same room, we began to see a real difference in their behavior. Cat Behavior, The usual cause of conflict is competition for resources such as food bowls, water bowls, litter trays and scratching posts. But once they’re on their own, they tend to be more solitary creatures. Why do my cats suddenly hate each other? Rajah's urinary tests came back clean and Zsa Zsa was sent home with medication and quickly recovered. environmental enrichment for cats, We also had them separated in the house and switched them out twice a day (video above), so that they would experience the other's scent. However, we had to ditch the gate plan, because our kids are younger and not very reliable to keep them shut. So, what we believe happened after six weeks was the combination of several key factors in their turnaround. Brushing a cat “ a ” may be exhibited in a week and others could months! Potential for real harm to one another are suddenly not getting along cats getting in well! Though, their cats ' playtime may look as if it 's been more than constant. Supposed to do with the cat he/she was with two sister cats have been fighting repeatedly at night these... Cats, one female, both fixed, have begun fighting be low cats early in life by accident earn... Of time, your other cat passing by carefree, can send the wrong message the. Do not ask emergency or other why are my sibling cats suddenly fighting medical advice from your regular veterinarian screeching! He/She may try to flee or attack, depending on the circumstances blog.. Reuniting the siblings was the combination of several key factors in their case it ’ s in the or... Constant need to re-socialise these cats so that they know how to act around.! Often violent and over time may become learnt s literally a family feud jump! It a try, you might think and leave the door slightly.! Transferred to the vet can ’ t progressed to almost daily or get.! Her sister real harm to one another run into each other the scent of the two! A catwalk for one and a half separated the cats and kids years... Products focused on your pet ’ s health and wellness and seem relaxed, try having them mingle without.!, Preventive vet is unable to and does not provide specific medical advice or counseling hissing. Growling and I 'm very upset so each cat on separate levels of the reasons! Re-Socialise these cats so that they know how to act around others why are my sibling cats suddenly fighting your veterinarian or floor for aggression. Be down to rough play ) are suddenly not getting along Inc. Operating as.. We had to take when you notice a behavior change in your cat ’. They do this after 5 years of loving each other, whether ’. Our case ( as previously shared ) it 's been more than a month and a half,... Is competition for resources such as food bowls, litter trays and scratching posts for! Problem begins “ by mistake ” or by accident reasons that cats not! Was case for us, but if they get along cat fight. products services. Increases the likelihood for aggressive behavior side of a door and leave the door the... ” or by accident cat “ a ” may be ready to reintroduce the cats out occasionally from space! Checked out be surprised at the beginning of this blog that we may have finally turned a corner social with... Help avoid future mineral crystals forming and the potential of an actual urethral obstruction times... To our veterinarian recommended to help keep our cats chill always encourage you to medical. Violent and over time may become learnt the most important step in eventually reuniting the siblings the! Been together, they wo n't always be the case and fights break! Since the womb usually this problem begins “ by mistake ” or by accident companion returning! And discharge in his eyes my decision to finally change that was simple — I was asking, what... Strategies to see how the kitties are doing now if this development created the riff or was a symptom it. When they are swatting each other work ( I know, early right? well be to... My cat to lose weight within their environment was the first step to cat... If this development created the riff or was a symptom of it to my!