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2021 Fort Bragg. Photo by Hugh Smith (modified)

Mushroom Poisoning

If you suspect you have consumed a poisonous mushroom, call 911. Then go to the Emergency Department, and call Poison Control: 1-800.222.1222

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Galerina marginata group. Photo by Christian Schwarz

Emergency Procedures


If you suspect you have consumed a poisonous mushroom:

  • Call 911

  • Go to the Emergency Department

  • Call Poison Control @ 1-800.222.1222 

    Call toll-free 24-hours a day, 365 days a year, with poison-related questions or help in California.


Santa Cruz Area Hospitals

Watsonville Community Hospital : (831) 724-4741

Dominican Hospital, Santa Cruz : (831) 462-7700


Dominican Hospital and Watsonville Hospital keep a list of contacts to help with identification of suspect fungi.


Some hospitals have engaged in clinical trials for the immediate treatment of amatoxin mushroom poisonings. Call 911 and talk to a doctor to determine the best course of action if you suspect you or someone you know may have been poisoned.


Bring the Mushroom With You


If you believe a mushroom poisoning has occurred, the doctors will need to identify the mushroom so they can determine the most appropriate treatment. For an accurate identification, your best chance is to bring a sample of the mushroom with you. The more complete your specimen is, the better chance to ID it correctly. A complete specimen consists of the cap, stem, bottom of the mushroom and any roots or fluff that may have been part of the mushroom at one time.


Store the specimen in a paper or waxed paper bag (not plastic) in the refrigerator until needed. Note where the mushrooms were collected in case of potential contamination by pesticides or heavy metals from lawns, roadsides or industrial areas.


Non-Emergency Recommendations


There is an old saying that “There are old mushroom hunters, and bold mushroom hunters. But there are no old, bold mushroom hunters.” Bit of exaggeration? Sure. But it’s critically important to know what you’re eating!


Mushroom Identification


The term "poisonous" refers to a wide range of toxicity, covering the range from mild nausea to allergic reactions to life-threatening illness. 


For general identification of mushrooms you’ve found (not a poisoning case) we encourage you to bring them to our Monthly Meeting or the annual Santa Cruz Fungus Fair. You can also send a Mushroom ID request to our FFSC community mailing list (our Google Group), or via the Contact FFSC page on this website. 


Pet Poisonings


Pets, particularly dogs, eat wild mushrooms on occasion. While the majority of these mushrooms are not toxic, a highly toxic small percentage can cause illness and death in pets. Contact your veterinarian if you see your pet consume a wild mushroom and bring a sample of the mushrooms in the area. For more information see Mushroom Poisonings in Dogs and Cats on the North American Mycological Association (NAMA) website.


Report All Poisonings


NAMA (North American Mycological Association) tracks all mushroom poisoning incidents. It is important to file a report, even for a minor gastrointestinal upset. After the incident, help document mushroom poisonings by submitting an online report or mail-in report to the NAMA Poison Case Registry.


Learn More about Mushroom Safety


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