California health officials issue urgent warning to mushroom foragers after deadly poisoning outbreak

California

California health officials issue urgent warning to mushroom foragers after deadly poisoning outbreak

At least 21 cases of amatoxin poisoning were reported with several victims suffering severe liver damage

Brie Stimson Fox News

Published

December 6, 2025 5:47pm EST

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Health officials in California this week warned the public about foraging for mushrooms after a deadly outbreak struck the middle part of the state.

The California Poison Control System has identified at least 21 cases of amatoxin poisoning that left one adult dead and several others, including children, with severe liver damage.

One might even need a liver transplant.

The poisoning was likely caused by the Death cap mushroom, which is easily confused with edible mushrooms. Officials warned to also watch out for the destroying angel mushroom, which also grows in California.

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This undated photo provided by California Department of Health shows a death cap mushroom. (California Department of Health via AP)

Residents in California’s Monterey County became sick after eating mushrooms found at a local park and another outbreak happened in the San Francisco area.

Symptoms can range from mild to moderate, depending on how much of the mushroom was consumed, and include stomach cramping, diarrhea, nausea, organ failure and liver damage and in rare cases, death, the poison center said.

Even if gastrointestinal symptoms improve, serious complications can still occur, including liver damage, the poison control center warned.

Health officials in California this week warned the public about foraging for mushrooms after a deadly outbreak struck the middle part of the state. (Philippe Huguen/AFP via Getty Images)

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"Death cap mushrooms contain potentially deadly toxins that can lead to liver failure," Erica Pan, director of the California Department of Public Health, said in a statement. "Because the death cap can easily be mistaken for edible safe mushrooms, we advise the public not to forage for wild mushrooms at all during this high-risk season."

Mushrooms grow in abundance during California’s rainy season — October through March — but the poison control center warned that "eating the wrong wild mushrooms can cause serious illness or even death."

A destroying angel mushroom. (Dea/P. Puccinelli/De Agostini via Getty Images )

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Hundreds of poisonings are reported to the center each year, most causing severe illness and sometimes death.

Half of the roughly 4,500 mushroom poisonings reported across the U.S. in 2023 were in children, according to the National Poison Data System annual report, who may pick and eat them while playing outside.

The Associated Press contributed to this report.

California health officials issue urgent warning to mushroom foragers after deadly poisoning outbreak