My Cat Ate a Spider Plant: Is It Dangerous?

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TL;DR: Spider plants are non-toxic to cats but can cause mild stomach upset or catnip-like behavior; while usually not an emergency, you should monitor your pet and contact a vet if vomiting persists.

What is a spider plant and why is my cat attracted to it?

The spider plant, scientifically known as Chlorophytum comosum, is a very common indoor houseplant. While it is widely considered safe for pets, it does contain chemical compounds that are mildly hallucinogenic to cats, similar to the effects of catnip. Because of this, cats are often naturally drawn to nibbling on its long, dangling leaves.

Is it an emergency if my cat eats a spider plant?

  • Urgency Level: Low.
  • Ingestion is rarely an emergency because the plant is non-toxic.
  • The most likely outcomes are mild gastrointestinal upset (vomiting or diarrhea) or temporary behavioral changes.
  • Monitor your pet at home; a clinic visit is typically only necessary if vomiting is persistent or if your cat stops eating.

Why is taking a photo of the plant helpful for veterinary triage?

  • A clear photo allows a professional to confirm the plant species and ensure it hasn't been misidentified as a dangerous plant, such as a lily.
  • Showing the specific leaves that were chewed helps the vet determine the exact amount of foliage consumed.
  • This information helps the vet decide if the stomach upset will be minor or if your pet requires supportive care.

Clinical Context (Merck Veterinary Manual)

Ingestion of spider plants by cats can result in nausea, vomiting, and diarrhea. Secondary dehydration and electrolyte imbalance may develop in rare instances due to protracted vomiting or diarrhea. Mild ocular irritation is possible, with lacrimation and blepharospasm. Treatment is generally symptomatic, with dilution using milk or water potentially reducing spontaneous vomiting. Vomiting is usually self-limiting and responds to short periods of food and water restriction. In severe cases or animals with sensitive stomachs, antiemetics (e.g., metoclopramide, 0.2-0.4 mg/kg, PO, SC, or IM, qid) may be required. Rarely, parenteral fluid therapy is required to address dehydration and electrolyte imbalances.

Chapter: Toxicology

Source: The Merck Veterinary Manual, 11th Edition (Page 3103)

Protocol reviewed by Dr. Jessica Williams, DVM

Frequently Asked Questions

Are spider plants toxic to cats?
No, the ASPCA lists spider plants as non-toxic to cats and dogs, though they can cause mild stomach upset.
Why does my cat act high after eating spider plant?
Spider plants contain mild hallucinogenic compounds that can produce a catnip-like effect in some felines.
What symptoms should I look for?
Keep an eye out for vomiting, diarrhea, or a lack of appetite, which are signs of mild stomach irritation.

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