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My dog had seizures after Excedrin. Is lifelong medication needed?

Updated on September 23rd, 2025

My dog 1 yr old Husky) bit an Excedrin that fell on the floor. (did not ingest it. But enough that it got on his tongue and probably a little powder from the bite) There were no symptoms afterward. However, 2 weeks later he suffered a seizure. Then 2 weeks after that, he suffered another seizure. His bloodwork came back that his SDMA is low. The vet put him on Phenobarbital daily. Will he need to take it the rest of his life? Or will the Excedrin eventually go out of his system?

1 Answer

Most Helpful Answer

Andrea M. Brodie, DVM

Answered By Andrea M. Brodie, DVM

Veterinarian

Published on October 2nd, 2018

It is unlikely that the seizures were caused by the Excedrin. We do not know why young dogs get seizures it is a so-called idiopathic disorder. It is likely that your dog will need to take phenobarbital for a long time. Your vet may decide after a while to try out whether a lower phenobarbital level is sufficient to control the seizures. A low SDMA is normal for puppies.
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