Eucalyptus: is it toxic to cats and dogs?

Pet safety summary

ASPCA lists Eucalyptus species as toxic to cats and dogs. Eucalyptol and related essential oils can cause salivation, vomiting, diarrhea, depression, and weakness.

Eucalyptus is a large genus with many cultivars. This page follows the ASPCA genus-level Eucalyptus entry rather than asserting one specific species.

Cats

Cat conclusion: ASPCA Animal Poison Control identifies Eucalyptus as toxic to cats. Keep the plant out of reach and contact a veterinarian or poison-control service if exposure is suspected.

Dogs

Dog conclusion: ASPCA Animal Poison Control identifies Eucalyptus as toxic to dogs. Keep the plant out of reach and contact a veterinarian or poison-control service if exposure is suspected.

Clinical signs reported by the source

• salivation
• vomiting
• diarrhea
• depression
• weakness

What to do if your pet ate it

Remove access to the plant. Save the plant label or a clear photo, note the part and approximate amount eaten, and contact your veterinarian or a poison-control service when the source identifies a toxicity risk. Do not induce vomiting unless a veterinary professional specifically tells you to.

Evidence and identity

Scientific name used on this page: Eucalyptus spp.

Source scientific name: Eucalyptus species

Source notes: Essential oils including eucalyptol

Source

ASPCA Animal Poison Control plant safety entry for Eucalyptus

Source reviewed for Batch 30 on August 3, 2026.

Emergency contacts

ASPCA Animal Poison Control: (888) 426-4435

Pet Poison Helpline: (855) 764-7661

If your pet is having trouble breathing, collapsing, having seizures, or otherwise appears critically ill, seek emergency veterinary care immediately.