Toxic Essential Oils

Essential oils that are toxic to dogs include (but are not limited to):

Anise (Pimpinella anisum)

Birch (Betula)

Bitter Almond (Prunus dulcis)

• Boldo (Peumus boldus)

• Calamus (Acorus calamus)

• Camphor (Cinnamomum

camphora)

• Cassia (Cassia fistula)

• Chenopodium (Chenopodium

album)

• Cloves (Syzygium aromaticum)

• Garlic (Allium sativum)

• Goosefoot (Chenopodium

murale)

• Horseradish (Armoracia

rusticana)

• Hyssop (Hyssopus sp. with the

exception of Decumbens)

• Juniper (Juniperus sp. with the

exception of Juniper Berry)

• Mugwort (Artemisia vulgaris)

• Mustard (Brassica juncea)

• Oregano (Origanum vulgare)

• Pennyroyal (Mentha pulegium)

• Red or White Thyme

• Rue (Ruta graveolens)

• Santolina (Santolina

chamaecyparissus)

• Sassafras (Sassafras albidum)

• Savory (Satureja)

• Tansy (Tanacetum vulgare)

• Tea Tree Oil (Melaleuca

alternifolia)

• Terebinth (Pistacia palaestina)

• Thuja (Thuja occidentalis)

• Wintergreen (Gaultheria 

Wormwood (Artemisia absinthium)

• Yarrow (Achillea millefolium)