Skip to content

Toxic Essential Oils - dogs and large farm animals

  • Aniseed
  • Birch
  • Bitter Almond
  • Boldo
  • Calamus
  • Camphor
  • Cassia
  • Chenopodium
  • Clove
  • Crested Lavender
  • Garlic
  • Goosefoot
  • Horseradish
  • Hyssop (except decumbens variety)
  • Juniper (except Juniper Berry),
  • Mugwort
  • Mustard
  • Oregano
  • Pennyroyal
  • Red and White Thyme
  • Rue
  • Santalina
  • Sassafras
  • Savory
  • Tansy
  • Terebinth
  • Thuja
  • Wintergreen
  • Wormwood
  • Yarrow.

This is not an exhaustive list and there will be other oils out there that are toxic. Always double check and confirm with a vet if in doubt.

Other Links in the Topic

Aromatherapy for Animals

Safe Essential Oils

Treatment Suggestions

Dilutions

Safety Considerations

Recipes