PlantFunWaterfennel Toxic?
All parts of the plant, including dried specimens, are highly toxic, and the toxic compound remains active even after cooking or drying.
Ingestion can cause severe neurological, gastrointestinal, and cardiac symptoms, potentially leading to rapid death in livestock and other mammals.
It is easily confused with both non-toxic edible plants and other highly toxic Apiaceae species, raising accidental poisoning risk.
FAQ
Is Waterfennel toxic to Humans?
No specific human toxicity data is documented, but severe symptoms matching those seen in livestock are expected if ingested. (High)
Is Waterfennel toxic to Cats?
No specific feline toxicity data is available, but ingestion is expected to cause serious adverse effects due to high mammalian toxicity. (High)
Is Waterfennel toxic to Dogs?
No specific canine toxicity data is available, but ingestion is assumed to result in severe toxic reactions. (High)
Is Waterfennel toxic to Horses?
Salivation, colic, constipation, dilated pupils, convulsions, unsteady gait, rapid heart rate, rapid breathing, paralysis, potential death, or diarrhea followed by slow recovery. (High)
Toxicity Details
No specific human toxicity data is documented, but severe symptoms matching those seen in livestock are expected if ingested.
No specific feline toxicity data is available, but ingestion is expected to cause serious adverse effects due to high mammalian toxicity.
No specific canine toxicity data is available, but ingestion is assumed to result in severe toxic reactions.
Salivation, colic, constipation, dilated pupils, convulsions, unsteady gait, rapid heart rate, rapid breathing, paralysis, potential death, or diarrhea followed by slow recovery.
Toxicity Snapshot
First Aid & Prevention
First 30 Minutes
- • Remove any remaining plant material from the exposed individual/animal's mouth immediately.
- • Induce vomiting only if explicitly directed by a medical or veterinary professional, and exposure occurred within 2 hours.
- • Collect a sample of the ingested plant to enable accurate identification for targeted treatment.
Contact Vet Immediately
- • Any confirmed or suspected ingestion of the plant, even if no symptoms have appeared yet.
- • Appearance of symptoms including salivation, unsteady gait, convulsions, or gastrointestinal distress after exposure.
- • If the plant was ingested by a companion animal, livestock, or child.
Prevention
- • Remove all identified Oenanthe fistulosa plants from areas accessible to pets, livestock, and children.
- • Train foragers and livestock handlers to correctly identify this toxic plant to avoid confusion with edible Apiaceae species.
- • Never feed unknown Apiaceae family plants to pets or livestock.
Treatment & Prognosis
- • Administer decontamination procedures such as activated charcoal as directed by a medical/veterinary professional.
- • Provide symptomatic supportive care tailored to presented symptoms, including anticonvulsants for seizures and fluid therapy for dehydration.
- • Closely monitor cardiac and respiratory function until the patient fully recovers.
Professional Toxicology
• Toxicity is driven by oenanthotoxin, a polyacetylene compound that targets the central nervous system to trigger convulsions and paralysis, and is not destroyed by heat or drying.
Information from CliniTox veterinary text.
The following plants look similar and may be confused:
Related Toxic Plants
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Data Sources
This information is for reference only and does not constitute medical advice. If ingestion or poisoning is suspected, seek medical or veterinary attention immediately.