Toxic to cats · Plants

Is Periwinkle toxic to cats?

High severity

Yes, Periwinkle is highly toxic to cats. Exposure can cause serious illness and needs prompt veterinary attention.

Symptoms to watch for

  • hypotension
  • incoordination
  • tremors
  • seizures

How vets treat it

Immediate veterinary intervention is required for decontamination, blood pressure monitoring, and seizure control.

Why it's dangerous

The plant contains toxic alkaloids that act as chemotherapeutic agents and alpha-2 antagonists, leading to neurological dysfunction and cardiovascular instability.

Toxic compound: Vincristine, vinblastine, and yohimbine

Good to know

Contains alkaloids used in human and veterinary chemotherapy; can cause a dangerous drop in blood pressure.

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.

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More substances toxic to cats

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