Unfortunately, Dock 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.
Kidney failure (rare in dogs/cats), tremors, salivation.
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 Dock Toxic to Cats?
Introduction
Cats are known to be curious creatures, and it can be challenging for cat owners to ensure their cats' safety at all times. One of the concerns among cat owners is whether dock plants are toxic to cats. Dock, also known as Rumex, is a plant commonly found in gardens and parks. While dock has a variety of uses, including medicinal and culinary purposes, it can be harmful to cats. In this article, we will investigate the harmful effects of dock on cats and ways to prevent toxicities.
What is Dock?
Dock (Rumex) is a genus of perennial flowering plants commonly found in temperate regions. These plants belong to the Polygonaceae family, which also includes such plants as buckwheat and rhubarb. The dock plant can grow up to two meters and has a reddish stem. The leaves of the dock plant are broad and lanceolate, and they have a smooth surface, which makes them attractive to cats.
Is Dock Toxic to Cats?
Yes, dock is toxic to cats. When cats ingest dock, they may experience gastrointestinal upset, including vomiting and diarrhea. The toxicity in dock is due to the presence of a chemical called oxalic acid, which is found in high concentrations in the leaves and stems of the plant. When ingested in large quantities, oxalic acid can cause kidney damage and may lead to the formation of kidney stones in cats.
What are the Symptoms of Dock Toxicity in Cats?
The symptoms of dock toxicity in cats include vomiting, diarrhea, anorexia, lethargy, and depression. In severe cases, cats may experience acute renal failure, which can be life-threatening. It is essential to monitor your cat's behavior and symptoms if they have ingested dock, and seek veterinary attention as soon as possible.
How to Prevent Dock Toxicity in Cats?
The best way to prevent dock toxicity in cats is to keep them away from the plant. If you have dock plants in your garden, ensure your cat does not have access to them. You can also train your cats to stay away from plants by spraying them with a cat repellent or covering the plants with netting. It is also crucial to keep your garden clean and free of debris that can attract cats.
If you suspect that your cat has ingested dock, seek veterinary attention immediately. Your veterinarian may induce vomiting to remove the plant from your cat's body. They may also provide supportive care, such as fluid therapy and medications to manage any symptoms.
Conclusion
Dock plants can be toxic to cats due to the presence of oxalic acid. When ingested in large quantities, this chemical can cause kidney damage and may be life-threatening. It is essential to keep your cats away from dock plants and to seek veterinary attention if you suspect they have ingested the plant. By taking these precautions, you can help ensure your cat's safety and well-being.