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Is Skunk Cabbage Toxic to Dogs? Risks and What to Do

PawAI Lab
6 min read

Learn whether skunk cabbage poses a risk to dogs, what signs of calcium oxalate exposure may appear, and what to do if your dog chews this wetland plant.

Quick Answer

Yes, skunk cabbage is potentially harmful to dogs. Eastern skunk cabbage (Symplocarpus foetidus) and western skunk cabbage (Lysichiton species) contain insoluble calcium oxalate crystals that irritate the mouth, tongue, and throat when chewed. Signs usually include drooling, oral pain, and sometimes vomiting. Effects are most often mild to moderate, but a veterinarian can advise on care. Contact a veterinarian or an animal poison-control service if your dog has chewed skunk cabbage.

Before using any tool, contact a veterinary professional if your dog may have chewed skunk cabbage.

  • US: ASPCA Animal Poison Control (888-426-4435) or Pet Poison Helpline (855-764-7661)
  • UK: Animal PoisonLine (01202 509000) or your nearest veterinary emergency clinic
  • Canada: ASPCA Animal Poison Control (888-426-4435) or Pet Poison Helpline (855-764-7661)
  • AU: Animal Emergency Centre or your regular vet
  • EU: Contact your nearest veterinary emergency service

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Safety Verdict

Potentially Harmful. Skunk cabbage refers to several wetland plants, most commonly eastern skunk cabbage (Symplocarpus foetidus) and western skunk cabbage (Lysichiton americanus). These plants contain insoluble calcium oxalate crystals, similar to those found in other plants of the arum family. The crystals are needle-shaped and released when the plant tissue is crushed or chewed.

When the crystals contact the moist lining of the mouth, they cause immediate mechanical irritation. Skunk cabbage also has a strong, unpleasant odor and a pungent taste, which often discourages dogs from eating large amounts. Most exposures produce uncomfortable but not life-threatening signs, though swelling in the mouth or throat can occasionally be more serious.

What Should the Owner Do Now?

  1. Move your dog away from the plant and remove any remaining plant material from the mouth if you can do so safely.
  2. Offer your dog water to drink, which may help rinse the mouth and ease irritation, unless a veterinarian advises otherwise.
  3. Do not induce vomiting or give milk, oils, salt, charcoal, or any medication unless a veterinarian or poison-control professional directly instructs you to.
  4. Contact a veterinarian or animal poison-control service, especially if drooling, oral swelling, or vomiting develops.
  5. Gather details about the exposure (see below) so the veterinary team can assess the situation.

Although signs are often mild, professional guidance can help determine whether any care is needed.

What Signs May Occur?

Signs of skunk cabbage exposure usually begin immediately or within minutes of chewing, as the crystals irritate the mouth:

  • Sudden drooling
  • Pawing at the mouth or lip smacking
  • Redness or irritation of the lips, tongue, or gums
  • Oral pain or reluctance to eat
  • Difficulty swallowing or gagging

If plant material is swallowed, additional signs may include:

  • Vomiting
  • Decreased appetite
  • Mild abdominal discomfort

The sharp oral pain and the plant's strong taste usually cause a dog to stop chewing quickly, which can limit how much is ingested. Severe reactions are uncommon, but significant swelling in the mouth or throat can occur and may make breathing or swallowing more difficult. The absence of signs does not always rule out irritation, so monitoring after exposure is recommended.

What Information Should Be Ready?

When you contact a veterinarian or poison-control service, having the following details available can help them assess the situation more efficiently:

  • Dog's details: species, breed, approximate age, and body weight
  • Plant involved: skunk cabbage (Symplocarpus or Lysichiton), and the part chewed (leaves, stems, or roots)
  • Estimated amount: roughly how much of the plant was chewed or swallowed
  • Time of exposure: when the chewing occurred
  • Current symptoms: any drooling, pawing at the mouth, vomiting, or swelling
  • Medical history: existing conditions and current medications

Provide honest estimates rather than precise numbers. The veterinary team can work with approximate information to determine the best course of action.

Differences That May Affect Risk

Several factors may influence how a dog responds to skunk cabbage:

  • Amount chewed: Larger ingestions may cause more pronounced gastrointestinal signs, though the pungent taste usually limits intake.
  • Part of plant: All parts contain crystals, and the roots may be more concentrated.
  • Body size: Smaller dogs may show more noticeable effects from a given amount of plant material.
  • Individual sensitivity: Reactions to oral irritation vary, and dogs with existing mouth or throat conditions may experience greater discomfort.

Because irritation can vary, any noticeable reaction warrants a call to a veterinarian.

When to Contact a Veterinarian

Contact a veterinarian or animal poison-control service if your dog has chewed skunk cabbage, especially if any signs develop.

Signs that may warrant prompt veterinary attention include:

  • Severe drooling or repeated vomiting
  • Noticeable swelling of the mouth, tongue, or throat
  • Difficulty breathing or swallowing
  • Refusal to eat or drink for an extended period

Non-urgent follow-up: If only a small amount was chewed and your dog shows only mild drooling that resolves quickly, a brief call to a veterinarian can confirm whether further care is needed.

FAQ

Is skunk cabbage poisonous to dogs?

Skunk cabbage is considered potentially harmful to dogs. It contains insoluble calcium oxalate crystals that irritate the mouth and throat when chewed, causing drooling and oral pain. Its strong odor and taste usually limit how much a dog eats. Most cases are mild, but a veterinarian can advise based on the exposure.

What should I do if my dog eats skunk cabbage?

Remove any remaining plant material from your dog's mouth and offer water to help rinse the mouth. Do not induce vomiting or give home remedies. Contact a veterinarian or animal poison-control service for guidance, and watch for drooling, swelling, or vomiting.

Are both eastern and western skunk cabbage harmful to dogs?

Yes. Eastern skunk cabbage (Symplocarpus foetidus) and western skunk cabbage (Lysichiton species) both contain insoluble calcium oxalate crystals that can irritate a dog's mouth and throat. The risk and the typical signs are similar for both, so any chewing should be discussed with a veterinarian.

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Disclaimer

This article and the PawAI Toxicity Checker provide general safety information and cannot determine an individual pet's toxicity risk or replace a veterinarian or animal poison-control service. If exposure may have occurred, contact an appropriate professional promptly, even if your pet appears well.

Written by PawAI Lab