toxic cat plants logo
Toxic Cat Plants
A fast and free database to keep your cat safe

Is Maleberry toxic to cats?

YES (TOXIC)
Unfortunately, Maleberry is toxic and potentially harmful to cats. We recommend you keep your feline friends away from this plant. See the table below for more information.
Search Again
Additional Names:Staggerbush, Fetterbush
Scientific Name:Lyonia sp.
Family:Ericaceae
Toxic Principles:Grayanotoxins
Clinical Signs:Vomiting, diarrhea, depression, cardiovascular collapse, hypersalivation, weakness, coma, low blood pressure, death. Ingestion of a few leaves can cause serious problems.
If you think your cat may have ingested a poisonous substance, call 888 426 4435 or your local vet
Detailed Write-up
Author:
Alec
Last Updated:
7/13/25

Is Maleberry Toxic to Cats?

Cats are curious creatures, and it's not uncommon for them to decide that everything in their reach is something that should be tasted or even eaten. As a responsible cat owner, it's your job to make sure your feline friend doesn't ingest anything that could harm them. One plant that you may be curious about is maleberry. Is it toxic to cats?

What is Maleberry?

Maleberry, also known as male fern, is a fern native to Europe, Asia, and North America. It is commonly found in wooded areas, where it grows in damp soil. Maleberry has been used for centuries in traditional medicine to treat a variety of ailments, including tapeworms, digestive issues, and urinary tract infections.

Is Maleberry Toxic to Cats?

Unfortunately, maleberry is toxic to cats. The plant contains a substance called thiaminase, which can break down thiamine (a B vitamin) in the cat's body. Thiamine is essential for normal nerve function and carbohydrate metabolism. When cats don't have enough thiamine, they can develop neurological problems, weight loss, and even seizures.

What are the Symptoms of Maleberry Poisoning in Cats?

If your cat has ingested maleberry, they may display a range of symptoms, including:

  • Vomiting
  • Diarrhea
  • Loss of appetite
  • Weight loss
  • Weakness
  • Staggering
  • Seizures

What Should You Do If Your Cat Eats Maleberry?

If you suspect that your cat has ingested maleberry, it's important to seek veterinary care immediately. The first step will likely be to induce vomiting to remove as much of the toxin from their system as possible. Your vet may also administer activated charcoal to absorb any remaining toxins. Additionally, they may provide supportive care, such as fluids or medications to control symptoms.

How Can You Keep Your Cat Safe?

The best way to protect your cat from poisoning is to keep all potentially toxic plants out of their reach. This includes maleberry, as well as other common household plants like lilies, azaleas, and poinsettias. If you have these plants in your home, make sure they are in a spot that your cat cannot access, or consider replacing them with cat-safe alternatives.

If you are unsure whether a plant is toxic to your cat, check with your vet before bringing it into your home. Additionally, keep an eye on your cat when they are exploring new areas, such as during outdoor adventures or visits to a friend's house.

Conclusion

Maleberry is a plant that can be toxic to cats. If you think your cat has ingested this plant, contact your vet immediately. The best way to protect your cat from poisoning is to keep potentially toxic plants out of their reach and to know which plants are dangerous. By taking these simple steps, you can help keep your cat safe and healthy.

Search Again