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Is Mayweed toxic to cats?

YES (TOXIC)
Unfortunately, Mayweed is toxic and potentially harmful to cats. We recommend you keep your feline friends away from this plant. See the table below for more information.
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Additional Names:Poison Daisy, Stinking Chamomile
Scientific Name:Anthemis cotula
Family:Asteraceae
Toxic Principles:Volatile oil; bisabolol, chamazulene, anthemic acid, tannic acid
Clinical Signs:Contact dermatitis, vomiting, diarrhea, anorexia, allergic reactions. Long term use can lead to bleeding tendencies.
If you think your cat may have ingested a poisonous substance, call 888 426 4435 or your local vet
Detailed Write-up
Author:
Alec
Last Updated:
7/13/25

Is Mayweed Toxic to Cats?

Introduction

Mayweed, also known as chamomile, is a common herb that belongs to the Asteraceae family. This plant has been used for centuries for its medicinal properties and is often made into teas or used in aromatherapy practices to relax and soothe the body. Chamomile is native to Europe and Asia, but it has been naturalized in many other parts of the world, including North America. It is not uncommon to find chamomile growing in gardens or along roadsides. Although chamomile is safe for human consumption, many pet owners wonder whether it is safe for their feline friends. In this article, we will explore whether chamomile/mayweed is toxic to cats and the potential dangers associated with its consumption.

The Components of Chamomile

Chamomile is composed of various components, including volatile oils, flavonoids, and terpenoids. The volatile oils in chamomile are responsible for its characteristic smell and taste, while flavonoids are known for their anti-inflammatory effects. In addition, chamomile contains terpenoids, which are believed to have antispasmodic properties. The combination of these three components makes chamomile a popular natural remedy for various ailments.

Is Chamomile Toxic to Cats?

While chamomile is generally safe for human consumption and has health benefits, it may not be as safe for cats. Chamomile contains substances that are known to cause allergic reactions in some cats, and in severe cases, it may cause anaphylaxis, which is a life-threatening allergic reaction. Cats may also experience nausea, vomiting, and diarrhea when they ingest chamomile. There is also the possibility that some of the components of chamomile may be toxic to cats. For example, chamomile contains coumarin, which may cause liver toxicity in cats if consumed in large amounts. Although there have been no reported cases of liver toxicity in cats due to chamomile consumption, it is best to err on the side of caution and avoid giving chamomile to your feline friends.

What to Do If Your Cat Ingests Chamomile

If your cat has ingested chamomile, it is important to monitor them for any adverse reactions. If you notice any signs of an allergic reaction, such as swelling, difficulty breathing or excessive itching, seek veterinary care immediately. If your cat experiences vomiting or diarrhea, closely monitor them for dehydration and consult your veterinarian for supportive care if necessary.

Alternatives to Chamomile for Cats

There are many safe and effective alternative remedies to chamomile that can be used for cats, such as catnip, valerian root, and silver vine. Catnip, which is a member of the mint family, is a natural sedative that can be used to relieve anxiety and stress in cats. Valerian root is another natural sedative that is often used to calm nervous cats. Silver vine is another alternative to chamomile that is popular in Japan and is known for its euphoric effects on cats.

Conclusion

In conclusion, chamomile may not be safe for cats due to the possibility of allergic reactions and potential toxicity. It is always best to err on the side of caution and avoid giving chamomile to your feline friends. If you suspect that your cat has ingested chamomile or any other toxic substance, seek veterinary care immediately. There are many safe and effective alternatives to chamomile that can be used for cats to help soothe and calm their nerves. As with any new treatment, it is always important to consult with your veterinarian before administering any herbal remedies to your pets.
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