Toxic to dogs · Plants

Is Monkshood 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

  • weakness
  • heart arrhythmias
  • paralysis
  • tremors
  • seizures

How vets treat it

Immediate veterinary intervention is required for stabilization, decontamination, and supportive care for cardiac and neurological symptoms.

Why it's dangerous

The plant contains alkaloids that affect nerve and muscle cells, leading to systemic neurological and cardiac dysfunction.

Toxic compound: aconitine and diterpene alkaloids

Good to know

Monkshood is highly toxic to many species, including humans, and can cause rapid onset of severe clinical signs.

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 →

Packaged food? Scan the barcode.

StrawPaw's food scanner reads the barcode on packaged products and flags ingredients that are risky for dogs and cats — before anything reaches the bowl.

Download StrawPaw for iOS