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Karaka berry poisoning

Karaka berry poisoning

The Karaka tree is a large tree with glossy, dark green leaves, that can be found throughout New Zealand, predominantly in the North Island. These berries are loved by Kereru, however they are highly toxic to dogs.


Here’s how to protect your dog from Karaka Berry toxicity and the signs of poisoning to watch out for:

The Karaka berries are oval shaped, 2-4cm long and are green before turning bright orange and falling from the tree. They are abundant from January to April, and if eaten are highly toxic. Even berries that have been on the ground for many months and look like husks can be toxic. The kernel in the berry contains a toxin called Karakin that affects the nervous system of animals and humans, however most cases are seen in dogs as they are known to scavenge and eat anything.


How to minimise the risk of your dog eating Karaka berries:

  • Walk them in areas that do not have Karaka trees
  • Keep your dog on a short lead and watch your dog while near the trees
  • Distract them while walking past the area with a treat or toy
  • Do not walk them directly under the trees
  • Make sure anyone who may walk your dog knows to avoid the Karaka trees


Signs of poisoning may be delayed by 24-48 hours. Even if your pet is not showing any signs yet, if you think your dog may have eaten a Karaka berry, take them to see your nearest vet immediately.

Signs of poisoning can include:

  • Vomiting
  • Weakness
  • Dizziness
  • Convulsions
  • Collapse
  • Paralysis
  • Death


If the berry has been eaten within the past two hours, the vet will make the animal vomit to try and reduce toxicity. If it has been longer than two hours or your pet is showing signs similar to these, your pet would be admitted into the hospital, have a range of diagnostic tests done and be given supportive treatment. Unfortunately, there is no specific antidote for the toxin. In some cases, despite the best treatment, some animals do not recover.

Prevention is your best option when it comes to Karaka berries. If you suspect your dog has ingested Karaka berries, contact a vet immediately.

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