Is Chamomile Toxic to Cats?

The Use of Chamomile in Traditional Medicine

For centuries, chamomile has been used by humans for its medicinal properties. This herb has been touted as an aid for various ailments including digestion problems, insomnia, and anxiety. Chamomile is also known for its soothing effects and is commonly used as a tea or applied topically as an essential oil. Because of its potential health benefits, chamomile has also become popular in the pet world.

What is Chamomile?

Chamomile is an herb that belongs to the daisy family. There are two types of chamomile: German chamomile (Matricaria chamomilla) and Roman chamomile (Chamaemelum nobile). German chamomile is most commonly used in teas and herbal remedies, while Roman chamomile is more commonly found in cosmetics and aromatherapy.

The Benefits of Chamomile for Cats

Chamomile has been shown to have a range of health benefits for cats, including:

1. Reducing inflammation and swelling
2. Calming anxiety and reducing stress
3. Aiding digestion and reducing stomach irritation
4. Relieving skin irritations and itching
5. Helping to relieve muscle spasms

Is Chamomile Safe for Cats?

While chamomile is generally considered safe for cats when used appropriately, there are a few precautions that cat owners should take.

Allergic Reactions

Like humans, cats can develop allergic reactions to chamomile. Signs of an allergic reaction may include itching, swelling, and difficulty breathing. If you notice any of these symptoms, stop giving your cat chamomile and contact your veterinarian.

Pregnant or Nursing Cats

Chamomile is not recommended for pregnant or nursing cats as its effects on fetal development and lactation are not yet fully understood.

Cats with Liver or Kidney Problems

Chamomile may interfere with liver function and should not be given to cats with liver disease. Additionally, chamomile may worsen kidney disease, so it should be avoided in cats with renal problems.

Toxicity of Chamomile in Cats

While chamomile is generally safe for cats, there is some concern regarding its toxicity. Studies have shown that chamomile contains a compound called coumarin, which can have toxic effects on the liver in high doses.

Coumarin Toxicity in Cats

Coumarin is a natural component found in many plants, including chamomile. In humans, coumarin has been associated with liver damage and an increased risk of bleeding. While coumarin toxicity has not been well documented in cats, there is some concern that it could cause liver damage.

Symptoms of Chamomile Toxicity in Cats

If your cat has ingested a large amount of chamomile, they may experience symptoms of toxicity, including:

• Vomiting
• Diarrhea
• Loss of appetite
• Lethargy
• Jaundice (yellowing of the skin and eyes)
• Increased thirst and urination

How Much Chamomile is Safe for Cats?

While there is no set dosage of chamomile for cats, it is generally recommended to start with a low dose and monitor your cat closely for any signs of adverse reactions. It is also best to consult with your veterinarian before giving your cat chamomile.

Conclusion

Chamomile is a natural herb that has many potential health benefits for cats. However, it should be used with caution, as it may cause liver damage in high doses. If you decide to give your cat chamomile, start with a low dose and monitor them closely for any adverse reactions. As always, it is best to consult with your veterinarian before giving any new supplement or medication to your cat.

References

• Baxter, K. (2012). Chamomile. In Stockley's herbal medicines interactions (2nd ed., pp. 307-309). London: Pharmaceutical Press.
• Harris, B., & Schwartz, L. (2014). Common herbs and supplements: Their veterinary uses and limitations. Veterinary Clinics: Small Animal Practice, 44(2), 245-269.
• National Center for Complementary and Integrative Health. (2021). Chamomile. Retrieved from https://www.nccih.nih.gov/health/chamomile
• Shimomura, H., & Licata, A. (2010). Evaluation of effects of short-term exposure to coumarin on rat liver: Induction of DNA synthesis in the absence of apoptosis. Food and Chemical Toxicology, 48(8-9), 2476-2481.