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Can Cats Eat Mushrooms? What’s Safe and What to Do If They Eat One

Grocery-store mushrooms sold for people are generally considered safe for pets, but wild or unknown mushrooms can be dangerous. Learn what to do if your cat may have eaten one.

By Animalso Team 2 min read

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Grocery-store mushrooms sold for people to eat are generally considered safe for pets, but that does not make wild or unidentified mushrooms safe for cats. Some wild species can cause serious illness, and owners cannot reliably identify a mushroom by sight. If your cat may have eaten a wild or unknown mushroom, contact a veterinarian or animal poison-control service promptly—even if your cat seems fine.

Are mushrooms safe for cats?

It depends on the source and type. The ASPCA says grocery-store mushrooms sold for human consumption are generally considered safe for pets. This is general guidance, not a recommendation to add mushrooms to a cat’s diet or an assurance about a prepared dish.

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Wild mushrooms are a different matter. Some can cause severe effects, and identification is difficult. Pet Poison Helpline advises treating mushrooms that were not purchased for human consumption as toxic. There is no reliable visual test for owners to decide that a wild mushroom is safe.

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Psychoactive mushrooms and mushroom edibles

Do not treat psychoactive mushrooms or mushroom edibles as ordinary grocery-store mushrooms. The ASPCA specifically flags these exposures, including products found in chocolate bars, as a concern for pets.

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What symptoms can a cat develop?

Effects vary with the mushroom and exposure. Reported signs include:

  • Vomiting, diarrhea, drooling, or abdominal discomfort
  • Unsteadiness, tremors, disorientation, or seizures
  • Changes associated with liver or kidney injury

Not every mushroom causes every sign, and these symptoms do not identify which mushroom a cat ate. Some mushroom toxins affect the nervous system; others may injure organs.

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How soon can mushroom poisoning show signs?

Pet Poison Helpline says some effects may appear within 15–30 minutes, while others may take up to 24 hours. A lack of immediate symptoms is not evidence that the exposure is safe. Do not wait for signs to appear before calling for professional advice.

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What should I do if my cat ate a mushroom?

  1. Move your cat away from any remaining mushrooms. Keep the cat from eating more, then contact your veterinarian, an emergency veterinary clinic, or an animal poison-control service promptly.
  2. Do not try home treatment. Do not induce vomiting or give a home antidote unless a veterinary professional specifically instructs you to.
  3. Gather useful details without delaying the call. Note when the exposure may have happened, what your cat may have eaten, and any signs you have observed. If it is safe and practical, take clear photographs or retain a sample for the veterinary team. Do not attempt to identify it yourself or postpone the call to find an expert.

In the United States, ASPCA Poison Control lists (888) 426-4435 and says it is available 24 hours a day, 365 days a year; a consultation fee may apply. Pet Poison Helpline lists (855) 764-7661 for its 24/7 service and currently lists an $89 USD incident fee. Numbers, availability, and fees can change, so verify them with the service. These services are U.S. resources; elsewhere, contact a local veterinarian or animal poison service.

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How to reduce the chance of exposure

  • Check your yard for mushrooms and keep your cat away from places where they grow.
  • Supervise your cat outdoors where mushrooms may be present.
  • Remember that mushrooms can appear quickly. They are often more prevalent in warm, wet seasons, but may grow year-round in warmer climates or areas with mild winters.

Because wild mushrooms can be difficult to identify, prevention and prompt professional advice are safer than relying on appearance.

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