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What are side effects of antibiotics and ear drops for my cat's ear?

Updated On September 23rd, 2025

Pet's info: Cat | Mixed Breed | Male | unneutered | 11 months and 13 days old | 7.71618 lbs

my cat has pus in the ear, i took him to a vet and he told me to give him an antibiotic injection " cefaxone' once a day for 4 days the start another antibiotic 'xiamcef' twice a day for 5 days with 3 different ear drops (otal - viotic - dexatrol), would this have any side effects on him?

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1 Answer

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Answered By Lauren Kennedy, DVM

Veterinarian

Published on June 8th, 2019

All medications can have side effects. Different antibiotics can cause GI upset like inappetance, vomiting and diarrhea. Ear drops can be irritating to the ear canal and several have the potential to cause deafness but this is usually transient. If your cat is not improving within a few days I would recommend a recheck with your veterinarian. I hope this helps. Thanks for using Petco Pet Education Center, formerly Petcoach. Best of luck.

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