Essential Oils Unsafe for Cats

Warning!   Recent evidence shows that essential oils can be toxic to cats, whether taken internally, applied to the skin, or simply inhaled.  

Why?  Because the liver is the organ which is affected by essential oils, and cats’ livers are simply not the same as human livers cats are unable to properly metabolize the various compounds in essential oils.   Toxicity in cats can occur very quickly; whether exposure occurs through internal or external application, or over a longer period of time through repeated or continuous inhalation of essential oils.  Either way, it can lead to serious liver damage or even death.

Essential Oils Potentially Toxic to Cats  (This list is not all-inclusive)

  • Peppermint
  • Lemon Oil
  • Lavender Oil
  • Melaleuca Oil
  • Tea Tree Oil
  • Cinnamon Bark Oil
  • Wintergreen Oil
  • Thyme Oil
  • Birch Oil

So, if you see recommendations to use essential oils product to kill or control mites and control ear canal infections, upper respiratory problems or as stress relief, do NOT follow these recommendations.  Also, be careful when using aromatherapy, potpourri, and essential oil products around the home if you have cats in the house.

For more detailed information, you can find an article by The Lavender Cat at


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