§ Toxic plants · Asteraceae · Checked Oct 2026
Is stinking chamomile toxic to cats and dogs?
Yes. Stinking chamomile (Anthemis cotula) is toxic to cats and dogs, according to the ASPCA Animal Poison Control Center. Plant Smart rates its effects Moderate, level 2 of 4.
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§ 010 · Signs
What to watch for
Signs include skin irritation, vomiting, diarrhea, loss of appetite and allergic reactions. Signs can start within hours; some take a day or more to show.
§ 020 · If it happened
What to do if your pet ate it
Call your vet or a pet poison hotline straight away, even if your pet seems fine: the ASPCA Animal Poison Control Center, (888) 426-4435, or Pet Poison Helpline, (855) 764-7661. Both are open 24 hours and charge a fee. Have the plant or a photo of it to hand, and don’t make your pet vomit unless a vet tells you to.
§ 030 · Same family
Other Asteraceae plants toxic to pets
Stinking chamomile belongs to the Asteraceae family. ASPCA lists these relatives too.
§ 040 · Questions
Questions about stinking chamomile and pets
Is stinking chamomile toxic to cats?
Yes. ASPCA lists stinking chamomile as toxic to cats.
Is stinking chamomile toxic to dogs?
Yes. ASPCA lists stinking chamomile as toxic to dogs.
What happens if my pet eats stinking chamomile?
Signs include skin irritation, vomiting, diarrhea, loss of appetite and allergic reactions. Plant Smart rates it Moderate, level 2 of 4.
What should I do if my pet ate it?
Call your vet or a pet poison hotline right away, even before signs appear: the ASPCA Animal Poison Control Center at (888) 426-4435, or Pet Poison Helpline at (855) 764-7661. Both charge a fee. Have the plant, or a photo of it, to hand.