Neurotoxicity of Wild Plants

Many plants cause nonspecific gastrointestinal upset. Among significantly toxic plants are philodendron, holly, dumbcane, poison ivy, pothos (devil's ivy), English ivy, yew, rhododendron (azalea), and eucalyptus. Poison hemlock ingestion is suggested when gastrointestinal upset is accompanied by the early onset of increased secretions followed by syndromes such as respiratory difficulty, altered mental status, and seizures. Plant ingestion alone is unlikely to cause isolated altered mental status except in cases of exposure to water hemlock and chinaberry plants (6).

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