Cinnamon Oil
⚠ If exposure just happened
Contact your vet or an animal poison control hotline immediately — don't wait to see if symptoms develop. Bring packaging or plant material with you if possible.
How Much Is Dangerous
Concentrated essential oil poses meaningful risk; ground cinnamon spice used in small culinary amounts represents a much lower-risk, genuinely separate exposure scenario that shouldn't be conflated with the essential oil form.
Symptoms
- Drooling and vomiting
- Skin irritation or, with concentrated dermal contact, chemical burns
- Lethargy
- Liver effects with significant exposure
- Low blood sugar has been reported in some cases of significant exposure
- Oral irritation with visible redness is common with direct ingestion of the concentrated oil specifically
Time to Symptoms
Usually within a few hours of exposure.
First Aid Steps
- Bathe any skin exposure to concentrated oil promptly with mild soap and lukewarm water
- Contact a veterinarian for ingestion or any significant exposure
What Not To Do
- Do not apply cinnamon essential oil to a cat's skin, or use it in a diffuser in any space the cat cannot freely leave
Veterinary Treatment
Supportive care, decontamination if caught early, and monitoring for both liver effects and blood sugar with significant exposures specifically. Supportive care with attention to blood sugar monitoring in cases of significant exposure, given the reported association with hypoglycemia noted above.
Toxic Compound
Cinnamaldehyde and eugenol, aromatic phenolic compounds poorly tolerated by cats given their characteristic glucuronyl transferase deficiency. Ground cinnamon spice, commonly used in baking, contains the same active compounds but at a dramatically lower concentration than the essential oil form, making the two genuinely different risk categories despite sharing a name.