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Dog coughed after Clavamox for dental. Should I restart or discard?

Updated on September 23rd, 2025

Pet's info: Dog | Yorkshire Terrier | Female | spayed | 9 years and 7 months old | 3.6 lbs

Last Monday vet gave Bella clavamox for "subjectively" enlarged lymph nodes after dental. Was on clindacure for 7 days, vet wanted to try liquid clavamox. After first dose Bella was not herself, not interested in treats and was coughing and wheezing after. I stopped and haven't given since. No more issues at all. (Did tell receptionist when called to check on Bella). Is it worth trying the clavamox once more or just keep her off? Also, how long is that mixture good for in fridge?

1 Answer

Most Helpful Answer

Sara Farmer, DVM

Answered By Sara Farmer, DVM

Veterinarian

Published on July 3rd, 2017

Clavamox is good for 10 days in the refrigerator. I would recommend having Bella rechecked by your veterinarian before restarting the Clavamox. While a decrease in appetite might be a side effect I would not expect coughing and wheezing - this could have been from the endotracheal tube used during anesthesia or could be a sign of respiratory or cardiac disease. Your veterinarian may want to assess Bella's lymph nodes again before restarting the antibiotic, or may recommend a different antibiotic instead.
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