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Is Lily of the Valley toxic to dogs and cats?

Convallaria majalis · Asparagaceae

Yes — Lily of the Valley is toxic to pets (critical). Dogs, cats and rabbits

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Is Lily of the Valley toxic to cats?Is Lily of the Valley toxic to dogs?
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Why it is toxic

Cardiac glycosides (convallatoxin)

How fast symptoms appear: Within a few hours

Symptoms of poisoning
  • Vomiting
  • Diarrhoea
  • Irregular heartbeat
  • High blood potassium
  • Disorientation
  • Seizures or collapse
What to do first
  1. Emergency vet immediately — a small amount affects the heart.
  2. Bring a cutting or photo; it is often mistaken for wild garlic in spring.
  3. Do not induce vomiting.
(888) 426-4435ASPCA Animal Poison Control Center (855) 764-7661Pet Poison Helpline
What your vet will do
Decontamination, ECG monitoring, electrolyte correction and antiarrhythmic therapy, as for other cardiac glycoside poisonings.

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Sources: ASPCA Animal Poison Control Center plant list; Pet Poison Helpline; Merck Veterinary Manual, Toxicology. PetPlantGuard is complementary to veterinary care and never replaces your vet.