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You cannot give a cat cephalexin 600 mg, it is way too much, you need to take her to the vet in order to get an antibiotic injection and the vet will also most likely need to lance and clean the abscess.
Updated on September 24th, 2025
My short answer is no. Cats are very small compared to humans and the dosing is completely different. This is not a safe approach. Plus, antibiotics should never be given without a prescription by a veterinarian, as inappropriate use can lead to bacterial resistance, which can cause more serious problems. Thanks for using Petco Pet Education Center, formerly Petcoach.
Updated on September 24th, 2025
Cephalexin and Simplicef are both cephalosporins, so they are the same group of antibiotics, but cephalexin is the generic name for a 1st generation cephalosporin and Simplicef is a trade name for Cefpodoxime which is a 3rd generation cephalosporin (so it is a newer drug) and works better in some circumstances. Here is more information on both drugs. https://www.veterinarypartner.com/Content.plx?P=A&S=0&C=0&A=538 https://www.veterinarypartner.com/Content.plx?P=A&S=0&C=0&A=2038 I hope that was helpful! Thanks for using PetCoach.
Updated on September 24th, 2025
Either one of those antibiotics would be fine. In general the amoxicillin -clavulanoc may be slightly better absorbed. Unless your cat is a breeding cat, I recommend to have her spayed as this will provide many health benefits. Best of luck and please feel free to post any additional questions.
Updated on September 24th, 2025
While none of the medications that Katie is taking will interact with cephalexin, this antibiotic is not generally very effective for treating urinary tract infections. Since her UTI in January was (I assume) resistant to some antibiotics, there is a concern that a new potential infection may be as well. Giving unnecessary or ineffective antibiotics only serves to create bacterial resistance to some antibiotics. Katie should go to her vet for a urinalysis and urine culture so that the most appropriate antibiotic can be chosen for the bacteria present. I hope that she's on the mend soon!
Updated on September 24th, 2025