Can the smell of tea tree oil hurt dogs? Many essential oils, such as eucalyptus oil, tea tree oil, cinnamon, citrus, peppermint, pine, wintergreen, and ylang ylang are straight up toxic to pets. These are toxic whether they are applied to the skin, used in diffusers or licked up in the case of a spill.
What if my dog licked tea tree oil? If your dog ingested tea tree oil of any kind, you should monitor them; if or when they begin to show symptoms, call your vet or a poison control helpline (ASPCA Animal Poison Control Center—(888)426-4425—and the Pet Poison Helpline—(855)764-7661—both cost $75 for a consult and are available 24/7).
How toxic is tea tree oil to dogs? Toxic consumption:
Intoxication is most often seen when 100% tea tree oil is used. As little as 7-8 drops (10-20 mL) applied to the skin may be fatal to both cats and dogs.
How long does tea tree oil poisoning last in dogs? Clinical signs
Signs of essential oil toxicity in companion animals can occur within 2–8 hours (Villar et al, 1994) and typically less than 24 hours (Genovese et al, 2012), but can initially be non-specific and easily overlooked. Recovery often occurs within 24 hours, but can be longer.