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My cat is inactive, can't walk after Marbocyl. Is it an overdose?

Updated On September 23rd, 2025

Pet's info: Cat | British Shorthair | Male | unneutered | 5 lbs

Hello I need help from vet neurologist. I gave my cat 7 mg of marbocyl which is 2 mg higher than the recommended dose I did it by mistake. Now the cat is very inactive and can't walk properly and lay down all the time. I went to a vet he said this case need vet neurologist because that marbocyl in rare cases could harm the nervous system he gave the cat cortisone and anti biotic injection because he said he might have virus. But he's concern was about the nervous system what should I do ? Help

1 Answer

Most Helpful Answer

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Answered By Linda G, MS, DVM

Veterinarian

Published on March 9th, 2018

Hello. According to several Veterinary Formularies, the normal dose of Marbocyl for a 5-pound cat can range from 6 to 12 mg so you have not overdosed him. And there are no reported neurological effects of this medication which is exceptionally safe in cats. " With the exception of cartilage abnormalities in very young animals, the adverse effect profile of marbofloxacin is limited to GI distress ( vomiting, diarrhea, anorexia & soft stools ) and decreased activity." I would take your cat to another veterinarian because there is something else going on here to cause these symptoms or the infection is just not responding to this antibiotic. I hope he is feeling better soon. Thanks for using Petco Pet Education Center, formerly Petcoach.

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