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My 9-month-old St. Bernard ate too many Previcox pills. Is it serious?

Updated on September 23rd, 2025

St Bernard ate 9 previcox normal dose is 1.5. The medicine is for our other St. The one that ate the pills is 9 months old. Not sure how long ago she ate them. Could have been as early as 3pm until 15min ago. We have other dogs in the house but pretty sure she is the one who ate them.

1 Answer

Most Helpful Answer

Jennifer Summerfield, DVM CPDT-KA

Answered By Jennifer Summerfield, DVM CPDT-KA

Veterinarian, Certified Dog Trainer

Published on January 3rd, 2017

Oh dear! This is a pretty significant overdose, and NSAIDs (non-steroidal anti-inflammatory drugs) like Previcox have a fairly narrow margin of safety in dogs. Overdoses like this can result in severe stomach ulcers, internal bleeding, or even kidney failure. Since she got such a large dose, I would really recommend taking her to the vet right away for treatment. He/she can give her an injection to induce vomiting to help get any remaining pills out of her stomach before they can be absorbed, and may also recommend giving her IV fluids and starting medication to help protect her stomach to try and prevent any problems.
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