Toxic to dogs · Plants

Is Lily of the Valley toxic to dogs?

Extreme severity No safe amount — No amount is considered safe.

Yes. Even a small amount can be life-threatening — treat any exposure as an emergency and contact a vet immediately.

Symptoms to watch for

  • vomiting
  • diarrhea
  • drop in heart rate
  • severe cardiac arrhythmias
  • seizures

How vets treat it

Aggressive veterinary treatment and symptomatic evaluation are required immediately upon exposure.

Why it's dangerous

The plant contains cardiac glycosides that interfere with the heart's electrical activity, similar to digitalis, leading to dangerous heart rate changes and arrhythmias.

Toxic compound: cardiac glycosides

Good to know

Unlike true lilies, this species does not cause acute kidney failure but is still highly lethal due to cardiac effects.

Sources

This page is informational and is not veterinary advice. If your pet has been exposed to something risky, contact your vet or an animal poison control line right away.

More substances toxic to dogs

African Wonder Tree Extreme severity Andromeda Japonica Extreme severity Angel's Trumpet Extreme severity Autumn Crocus Extreme severity Everything toxic to dogs →

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