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Dog ate Metacam. Vomiting, lethargic, pale gums. Is it delayed?

Updated On September 23rd, 2025

Pet's info: Dog | Border Collie | Male | neutered | 4 years and 2 months old | 35 lbs

Hi my dog is 35lb. 3 days ago he got into his prescribed metacam (1.5mg/ml) which he has been off of for about 2 weeks. I didn’t realize right away and he has been totally fine until today. I do not know how much he took, maybe 3-4 ml. He is now vomiting and very lethargic. Is it normal for this delayed reaction or could it be something else? He also has pale pink gums.

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1 Answer

Most Helpful Answer

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Answered By Linda G, MS, DVM

Veterinarian

Published on August 2nd, 2019

Hello. As a general rule of thumb, we will begin to see gastrointestinal problems with Metacam if a dog receives 4-5 times the regular therapeutic dose. In Louis' case, he is just at that point. His gums look to be a nice pink color, but he may still be experiencing a fairly intensive gastroenteritis. He may need some stomach protectants & anti-nausea medication to help him get over this, so please call your veterinarian as soon as you can. He should feel much better once he has some medication to treat his symptoms. I hope Louis is feeling better soon & thanks for using Petco Pet Education Center, formerly Petcoach.

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