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Dog threw up corn cob months later, now lethargic & won't eat.

Updated On September 23rd, 2025

Pet's info: Dog | Airedale Terrier | Male | neutered | 90 lbs

My dog ate a half a corn cob about 3 months ago. Yesterday, he threw up what appears to be the cob. Is this normal? He's acting lethargic and won't eat. What's going on?

1 Answer

Most Helpful Answer

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Answered By Laura Johnson VMD

Veterinarian

Published on September 11th, 2018

Hi, thanks for using Petco Pet Education Center, formerly Petcoach! Corn cobs can stay in the stomach for months. I would worry that the entire con didn’t come up and has move out of the stomach causing an obstruction. Gus needs up see your vet today since he lethargic and not eating. Good luck!

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