Skip to content
House Pet

Flowers & Plants

Can dogs and cats eat oleander?

Compare the dog and cat answers together, then open the full guide for the pet you are asking about.

One food, two pets

What changes between dogs and cats?

Dogs and cats both have a emergency verdict.

Use the column for the pet you are asking about, then open the full guide for its complete source notes.

    Emergency

    Oleander safety for dogs

    Oleander is highly toxic to dogs. Its cardiac glycosides can cause drooling, abdominal pain, diarrhea, lethargy, dangerous heart effects, and death.

    Toxic principle: cardiac glycosides

    Watch for

    • drooling
    • abdominal pain
    • diarrhea
    • lethargy
    • cardiac effects

    Sources

    Reviewed 2026-07-28

    Open the complete dogs guide
    Emergency

    Oleander safety for cats

    Oleander is highly toxic to cats. Its cardiac glycosides can cause drooling, abdominal pain, diarrhea, lethargy, dangerous heart effects, and death.

    Toxic principle: cardiac glycosides

    Watch for

    • drooling
    • abdominal pain
    • diarrhea
    • lethargy
    • cardiac effects

    Sources

    Reviewed 2026-07-28

    Open the complete cats guide

    This page is for informational purposes only and is not veterinary advice. Always consult your veterinarian about your pet's diet and health.

    Open another dog-and-cat view without starting a new search.

    Read our methodology for how every verdict is sourced and reviewed.