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Why is my cat suddenly aggressive towards my other cat?

i have two neutered 11-year-old male littermates who have lived together indoors their whole lives. one cat has urinary tract issues, and was taken to the vet with a bladder infection recently. ever since he came home from the vet, the other cat hisses and growls, and eventually they fight unless i break it up.

i was just wondering what is causing this sudden hostility and is there anything i can do to fix it?


Asked by Member 810395 on Mar 2nd 2009 in Health & Wellness
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Izadore (Izzie)

Sometimes, when one cat goes to the vet's and the other does not, the one who went comes back smelling like the vet's office, other animals, medications, etc. It can cause both cats to become disoriented since one cat doesn't smell "right" to the other. You can try the old dryer sheet thing where you rub them both down with one and then they both smell the same. Also, if your cat with the bladder issues is not feeling well, he could be telling the other to leave him alone and the message isn't getting through. There are ant-anxiety medications that you can try your cat on to calm him down. You can get these from your vet. There are lots of different kinds and a low dose might work.


Izadore (Izzie) answered on 3/2/09. Helpful? Yes/Helpful: No 0 Report this answer


Guest

Izzie is right. Your other cat isn't attacking his littermate (not in HIS mind, at least). He is attacking the smell of the vet clinic which has intruded it's way into your home. Don't bathe him, though, the stress would only add to his trauma. Try wiping down your cat who went to the vet with a slightly damp, clean cloth, then rub him thoroughly with something that smells like the cat who's doing the attacking, like his bedding. Use a water spray bottle (set on stream), to break them up, if necessary, by spraying the space inbetween or beside them. Never let breaking up fighting seem like you're picking sides.

Good luck!


Member 796903 answered on 3/2/09. Helpful? Yes/Helpful: No 0 Report this answer