What are the symptoms of Azalea poisoning in cats?

drooling, vomiting, diarrhea, weakness, cardiac irregularities, collapse (severe cases)

Azalea

Q: Is Azalea toxic to cats?

Toxic: Toxic — grayanotoxins cause cardiac and GI effects. Azaleas and rhododendrons contain grayanotoxins that affect sodium channels, causing GI upset, cardiovascular depression, and in severe cases, coma. All parts of the plant are toxic. Ingestion of even a few leaves can cause symptoms. Source: ASPCA.

Toxic

Verdict

Toxic — grayanotoxins cause cardiac and GI effects.

Toxic principle: grayanotoxins

Source: ASPCA · Verified 2026-06-12

If your cat ate this

Cats hide symptoms — don't wait and see. Even small amounts of certain substances can be fatal to a cat. Act fast.

1. Call your veterinarian immediately
US — National hotline: ASPCA Animal Poison Control Center (888) 426-4435 aspca.org(24/7, Consultation fee may apply.)
US — National hotline: Pet Poison Helpline (855) 764-7661 petpoisonhelpline.com(24/7, $89 per incident fee; also covers Canada.)
GB — National hotline: Animal PoisonLine 01202 509 000 animalpoisonline.co.uk(24/7, £35 per call (8am–8pm weekdays), £45 at other times.)
AU — National hotline: Animal Poisons Helpline 1300 869 738 animalpoisons.com.au(24/7)
NZ — National hotline: Animal Poisons Helpline 0800 869 738 poisons.co.nz(11am–7pm NZ time (currently being extended), Charges apply.)
CA — National hotline: Pet Poison Helpline (855) 764-7661 petpoisonhelpline.com(24/7, $89 per incident fee.)

Verified 2026-08-06

Verdict

Azaleas and rhododendrons contain grayanotoxins that affect sodium channels, causing GI upset, cardiovascular depression, and in severe cases, coma. All parts of the plant are toxic. Ingestion of even a few leaves can cause symptoms.