PlantFunEuropean white waterlily Toxic?
All plant parts of European white waterlily are confirmed toxic to humans and potentially to animals.
Ingestion can trigger central nervous system excitation and life-threatening respiratory paralysis.
No specific antidote exists; treatment is limited to decontamination and symptomatic supportive care.
FAQ
Is European white waterlily toxic to Humans?
Excitation, respiratory paralysis (Moderate)
Is European white waterlily toxic to Cats?
Specific symptoms not documented; expected to include excitation and respiratory distress if significant quantities are ingested (Unknown)
Is European white waterlily toxic to Dogs?
Specific symptoms not documented; expected to include excitation and respiratory distress if significant quantities are ingested (Unknown)
Is European white waterlily toxic to Horses?
Specific symptoms not documented; expected to include excitation and respiratory distress if significant quantities are ingested (Unknown)
Toxicity Details
Excitation, respiratory paralysis
Specific symptoms not documented; expected to include excitation and respiratory distress if significant quantities are ingested
Specific symptoms not documented; expected to include excitation and respiratory distress if significant quantities are ingested
Specific symptoms not documented; expected to include excitation and respiratory distress if significant quantities are ingested
Toxicity Snapshot
First Aid & Prevention
First 30 Minutes
- • If ingestion is confirmed and the affected individual is alert, contact a medical provider/vet immediately to assess if induced vomiting is appropriate
- • Rinse the mouth thoroughly with clean cool water to remove remaining plant residue
- • Keep the affected individual calm and avoid strenuous activity to reduce respiratory demand
Contact Vet Immediately
- • Any confirmed or suspected ingestion of the plant, even if no symptoms are present
- • If symptoms including unusual excitation, difficulty breathing, drooling or convulsions develop after exposure
- • If the affected individual loses consciousness or shows signs of severe respiratory distress
Prevention
- • Keep ornamental European white waterlily plants out of reach of children and pets
- • Do not forage or consume any part of wild waterlily species without formal identification
- • Post warning signs around ponds with this plant if children or pets have unsupervised access
Treatment & Prognosis
- • Gastrointestinal decontamination (activated charcoal, gastric lavage) as medically indicated to reduce toxin absorption
- • Supportive care including oxygen support or mechanical ventilation if respiratory paralysis occurs
- • Symptomatic management of central nervous system excitation with appropriate sedatives if required
Professional Toxicology
• Exact toxic mode of action is not fully characterized
• Active compounds (nupharin alkaloid, nymphalin glycoside) are believed to disrupt central nervous system function, leading to excitation and subsequent respiratory paralysis
Information from CliniTox veterinary text.
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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.