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My dog accidentally took a double dose of Rimadyl. Is it serious?

Updated On September 23rd, 2025

Pet's info: Dog | Mixed Breed | Male | neutered

Accidentally gave my dog a double dose of rimadyl (he is 45-50 lbs and ingested 100 mg)

4 Answers

Most Helpful Answer

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Answered By Jennifer Summerfield, DVM CPDT-KA

Veterinarian, Certified Dog Trainer

Published on July 12th, 2016

Normally, a one-time double dose of Rimadyl will not cause any serious problems - but if you're concerned, you can always call the vet who prescribed the medication to ask they want you to bring Rocky in. If Rocky has any vomiting over the next 2-3 days, acts lethargic or doesn't want to eat, then I would recommend having him checked by a vet.

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104Pet Parents found this answer helpful

Other Answers

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    Answered By Dr. Melanie, BVSc MS

    Veterinarian

    Published on

    When a dog ingests too much Rimadyl the results can be life threatening. You need to take Rocky into your vet immediately. Depending on the timing, your pet may be given medication to cause it to vomit followed by activated charcoal to absorb any remaining medication in the stomach. The main concern with Rimadyl is damage to the kidneys or liver. Your dog might be placed on IV fluids to flush the liver and kidneys and eliminate the drug from the animal’s body. Multiple blood tests are performed over the length of hospitalization to evaluate the red and white blood cell counts, BUN, and creatinine levels. Each of these values indicates whether the treatment is decreasing the toxicity and if the liver and kidneys are working correctly. I recommend taking Rocky into your vet ASAP.

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    15Pet Parents found this answer helpful

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    Answered By Sara Farmer, DVM

    Veterinarian

    Published on June 18th, 2018

    As long as Briggan doesn't have any underlying kidney disease it shouldn't be a problem. You should skip the morning dose and can start again tomorrow night. If you notice any decrease in appetite, vomiting, diarrhea or black tarry stool you should stop the medication and contact your veterinarian.

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    6Pet Parents found this answer helpful

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    Answered By Jessica Desrosiers

    Veterinary Technician

    Published on September 11th, 2022

    While 25mg is generally the daily dosage for a dog Pepper's size, Rimadyl has been tested to be non-toxic if a double dose is given on accident. That said, it is best to watch out for any signs of an issue such as increased thirst or urination, lethargy or behavior changes, a painful abdomen, vomiting, diarrhea, and bloody stool. I would instruct your dad to monitor for these things and if any are noticed, seek veterinary care immediately for treatment.

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