What are the symptoms of Mistletoe poisoning in cats?

vomiting, diarrhea, lethargy, abnormal heartbeat (severe)

Mistletoe

Q: Is Mistletoe toxic to cats?

Toxic: Toxic — berries can cause gut signs; some species affect the heart. Holiday mistletoe varies by species. Gastrointestinal upset is common; more concentrated exposures have been associated with heart-rate changes. Treat any mistletoe ingestion as more than a joke kissing-ball. Source: ASPCA.

Q: Is Tulip also safe for cats?

Toxic: Toxic — bulbs are most dangerous, causes GI upset.

Toxic

Verdict

Toxic — berries can cause gut signs; some species affect the heart.

Toxic principle: phoratoxin, viscotoxins (varies by species)

Source: ASPCA · Verified 2026-08-13

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

Holiday mistletoe varies by species. Gastrointestinal upset is common; more concentrated exposures have been associated with heart-rate changes. Treat any mistletoe ingestion as more than a joke kissing-ball.