Cats Not Getting Along After Being Spayed?

Cat Hissing at another cat
After a trip to the vet for surgery your cats may have to be reintroduced to each other. They have returned home carrying different smells and may also be off because of the procedure itself. This is a page about cats not getting along after being spayed.

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January 19, 2020

I saw someone else posted about problems with their cats getting along after being spayed so hopefully I'm in the right place for help. My cats are sisters that we rescued from my backyard and have been inseparable since birth. They're about 8 months old and were just spayed 4 days ago. I thought there was going to be a problem with them being separated for a week and missing each other, but now my problem is the opposite of that. Two irritated cats sleeping next to each other.


My one cat (the black and white one in the photos) keeps hissing at the other and running away if she sees her. It's not that she's attacking or being aggressive I just think she doesn't recognize the smell and is scared when she comes close to her sister.

I switched the rooms they were in to try and integrate the smells and my other cat is fine, but the same one is hissing in the room. She's not even near her sister it is just because of the smell. I tried to take a wet towel and wipe them down a little since they can't bathe themselves with the cones, but I'm worried that they will no longer get along :( I understand it's only been a few days, but I'm worried! Any suggestions on what else could help?

One Cat Hissing at The Other After Being Spaded


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January 20, 20200 found this helpful
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When cats fail to recognize each other after getting spayed, it could be the smell from the vet's business that lingers on the cat and it's on the fur. Eventually the odor will dissipate. It can also be a hormone issue after spaying. Allow the spayed cat to heal and keep separated for awhile and reintroduce them a little each day in short spurts under your supervision. This is usually temporary.


My dogs notice a change after one has surgery and sniffs around at it. With dogs, it may be different than cat behavior.

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January 20, 20200 found this helpful
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This could be an issue from the vet and the cat being around other cats. Or second, this could be an issue because she is reminded of the smell at the vets and what happened to her. I would give this some time and allow her to get over this on her own. She should come around again and I do think the cats will be fine together once she gets over the trama of being at the vets and being fixed.

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January 20, 20200 found this helpful
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It does sound like these two cuties are just confused. I think in a few days things should begin to return to normal. I would spend some extra time doing what they like to do.


Snuggling with you, treats, some quiet play, some lap time. I would be very surprised if things dont go back to normal pretty soon.

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June 8, 2017

I have 2 Bengals that I got spayed on Wednesday 31st May together at vet. They are sisters and have been together always. They sleep together and play. I have never ever heard them hiss or fight; they are so loving. I am feeling very sad. One sister lashed out on the way home from the vet's. It seems online that this is normal particularly if only one pet has been to vet due to smell. They went together. As they have open wounds I kept them separate and tried to reintroduce them over the past week. But one keeps attacking the other one, hissing through glass when put together, actually attacking.

They are loving with me, wanting hugs, yet I'm the one that is putting cones on their heads and giving them medicine. I've tried getting one to sit on their blanket and then the other to transfer smells. I can't leave them alone together. I've tried it 3 times, but one is violent with the other and their wounds are still open from the operation. I hate seeing these 2 close buddies like this. My apologies for the long post, but I need some suggestions please.


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June 9, 20170 found this helpful
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I know this can be very upsetting but from all appearances it will go away but it may take longer than some people say.
Even though you carried them to the vet together, it is possible that different people handled each cat at the clinic thus giving them different smells.


I know you have been researching this and may think that most of it doesn't apply to your situation but I believe that a lot of it does. Your cats are rethinking their position in your home and their relationship with their former friend so no matter what caused it, the remedy will still be the same.
Just remember, cats are unique and what works for one cat may never work for another. Some of the most successful solutions seems to be:
1) keep them apart but trade rooms every day or so leaving all the bedding behind
2) try rubbing something on both cat's back (or places on their body) such as vanilla extract - water from tuna can or something like that
3) definitely do not let them fight so this may take a while but it will take time for their surgery to heal so it may be a good thing right now.

Don't forget - your cats are wearing a cone (which must look frightening/horrible to the other cat!) and they do not know that they are wearing the same thing.
Time and patience are what you need right now as I believe they will soon return to their original loving nature soon.

here is a very good site to check out:

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