Plant safety for cats

Is pong-pong tree toxic to cats?

SevereNot on ASPCA's cat list — rated from other sources

Yes — treat pong-pong (othalam) as dangerous for cats. There is no veterinary data, but its seeds carry a heart poison that caused about one human suicide death a week in Kerala in the 1990s. Keep cats away; see a vet if one chews it.

Why severe: Presumed severe to deadly from human poisonings in Kerala — no veterinary data exist and it is not on ASPCA's cat list.

What to do now Help finding a vet

Pong-pong tree (Cerbera odollam) — fruits on the tree
Photo: Gannu03, CC BY-SA 4.0, via Wikimedia Commons · source & licence
Name
Pong-pong treealso Othalam, Suicide tree, Kattu arali
Botanical name
Cerbera odollam · Apocynaceae
Other Indian names
  • Malayalamഒതളം (othalam)
  • Tamilkattu arali
  • Bengaliডাবুর (dabur)
  • Toxic parts

    The seeds inside the fruit (from human cases).

  • What's in it

    A cardiac glycoside (heart poison), known from human toxicology.

  • When signs start

    No veterinary data exist.

How to recognise it

  • Small coastal tree with glossy leaves
  • White star-shaped flowers with a yellow centre
  • Green, mango-like fruit

What to do — now

Go to a vet now — don't wait for signs. Assume a heart poison and let a vet monitor your cat.

  • Take your cat, a piece of the plant (or a clear photo) and tell the vet what was eaten, when and how much.
  • Don't make your cat vomit at home unless a vet tells you to.
  • No milk, oil, salt water or home remedies.

Where Indian cats meet it

Kerala's backwaters and the south-west coast; rare elsewhere.

Sources

  1. Wikipedia: Cerbera odollam (human poisonings in Kerala)
  2. ASPCA: Plants toxic and non-toxic to cats (full list)

Facts last checked

General information for cat parents, not a diagnosis or a treatment plan. The facts come from ASPCA, Pet Poison Helpline, International Cat Care, the Merck Veterinary Manual and the other sources listed on every page — and we say so when the evidence comes from dogs or people. If your cat may have eaten something harmful, call your vet.

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