My Dog Ate Zyrtec What Should I Do?

Reviewed By Julie •  Updated: 09/24/20 •  3 min read
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We all have medicines at home that can make our dogs sick. But did you know that even antihistamines can make a dog sick?

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Do you suffer from allergies? If so, then you may have antihistamines in your home. A popular antihistamine for humans is called Zyrtec.

What is Zyrtec?

Zyrtec is a medication that contains the active ingredient cetirizine. This medicine is often prescribed by doctors or taken as an over-the-counter remedy for allergies. Zyrtec has antihistamine properties, which means it blocks receptors on blood vessels, tissues and in the lungs to keep the substance histamine from binding to them. Without this binding mechanism, histamine is not able to cause allergic reactions such as sneezing, watery eyes, and more.

While this medication is usually prescribed for humans, it can also be prescribed by the vet for dogs. However, never give this medication to your dog without recommendation from the vet. You want to make sure your dog receives the proper dose of Zyrtec, as too much can cause medical issues in dogs.

It is strongly recommended to contact a Pet Poison Helpline or your veterinarian.

Zyrtec Toxicity in Dogs

When a dog accidentally ingests Zyrtec, they may be receiving a dose that’s too high for their size and weight. This can lead to medication toxicity. Even a medicine that seems to be fairly safe for both humans and pets can cause poisoning in doses that are too large.

The most common signs of toxicity of Zyrtec in a dog includes:

If your dog is exhibiting any of these symptoms, then call the vet immediately. Or if you know for certain your dog has swallowed some Zyrtec, then try to see how much he’s swallowed and then call the vet right away. Take the product packaging with you to the vet, too. This could be a medical emergency.

Diagnosis & Treatment of Zyrtec Toxicity in Dogs

The vet will ask about the number of tablets your dog has eaten, and then may ask to see the product packaging. The vet will examine your dog and probably will order some blood tests, and other lab work.

After the diagnosis, the vet may induce vomiting and then treat your dog with other medications to get his condition stabilized. Your fur baby may need to stay in the hospital for a few days to monitor his condition.

The prognosis for a dog that eats Zyrtec are excellent when the dog receives prompt medical treatment. The best way to keep your dog from eating Zyrtec is to keep all medications out of his reach, and quickly find and pick up any pills you may drop by accident.

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Julie

Julie is a graduate of the University of North Carolina, Wilmington, where she studied Animal science. Though contrary to the opinion of her parents she was meant to study pharmacy, but she was in love with animals especially cats. Julie currently works in an animal research institute (NGO) in California and loves spending quality time with her little cat. She has the passion for making research about animals, how they survive, their way of life among others and publishes it. Julie is also happily married with two kids.

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