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Is Mountain Laurel & Japanese Andromeda toxic to dogs and cats?

Kalmia latifolia, Pieris japonica · Ericaceae

Yes — Mountain Laurel & Japanese Andromeda is toxic to pets (high). Dogs, cats, rabbits and livestock

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Is Mountain Laurel & Japanese Andromeda toxic to cats?Is Mountain Laurel & Japanese Andromeda toxic to dogs?
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Why it is toxic

Grayanotoxins — the same toxin class as azalea

How fast symptoms appear: 30 minutes to a few hours

Symptoms of poisoning
  • Heavy drooling
  • Vomiting
  • Weakness and wobbliness
  • Slow heart rate
  • Low blood pressure
What to do first
  1. Same-day veterinary assessment, sooner if your pet is weak or wobbly.
  2. Bring a cutting — these shrubs are widely mistaken for each other.
(888) 426-4435ASPCA Animal Poison Control Center (855) 764-7661Pet Poison Helpline
What your vet will do
Decontamination, intravenous fluids, cardiac monitoring and atropine if the heart rate falls.

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