California officials warn foragers after person dies from poison mushroom
California health officials are urging the public to avoid foraging wild mushrooms after a deadly outbreak of amatoxin poisoning linked to death cap mushrooms. The California Department of Public Health (CDPH) confirmed 21 cases of severe poisoning, including several children, with one adult dead and multiple patients requiring intensive care. At least one individual may need a liver transplant.
According to CDPH, the surge is tied to death cap mushrooms, a highly toxic species often confused with edible varieties due to their similar appearance and mild taste. “Death cap mushrooms contain potentially deadly toxins that can lead to liver failure,” said Dr. Erica Pan, CDPH director. She emphasized that foraging is especially dangerous during this high-risk, wet-weather season, which promotes mushroom growth.
Clusters of poisoning were reported in Monterey County—where residents consumed mushrooms collected from a local park—and in the San Francisco Bay Area. Health officials warn that the threat exists throughout California, not only in these regions.
In 2023, U.S. Poison Centers recorded more than 4,500 exposures to unidentified mushrooms, nearly half involving young children. Experts stress that visual cues like color or taste are not reliable indicators of safety; both the death cap and destroying angel mushrooms closely resemble edible species. Cooking does not neutralize the toxins.
Early symptoms—nausea, vomiting, diarrhea, and cramping—may appear within 24 hours and sometimes temporarily improve, misleading patients. However, life-threatening liver damage can follow.
For diagnosis or treatment guidance, the statewide poison control hotline is available at (800) 222-1222.
