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Lily Of The Valley Poisoning

Convallaria Majalis Toxicity

Lily of the valley (Convallaria majalis) is highly toxic to waterfowl. The flowers, leaves, and stems of C. majalis contain saponins and cardiac glycosides--specifically convallotoxin, convalloside, and convallamarin. Consumption of 12g of substance is lethal to waterfowl.


Irregular or slow heart beat
Behavioral changes
Loss of appetite


  • History
  • Clinical signs
  • Physical exam
  • Laboratory tests
  • Necropsy


1qt Bird charcoal For Small Birds - Activated charcoal granular
Toxiban Suspension (240 mL)
UAA Universal Animal Antidote Gel, 60ml, Easy Dose Syringe, for use as Emergency First aid for combating Poisoning
MethodMethod Summary
Supportive careIsolate the bird from the flock and place in a safe, comfortable, warm location (your own duck "intensive care unit") with easy access to water and food. Limit stress. Call your veterinarian.
Activated charcoal2.8 g/kg administered orally



Risk Factors

  • Planting lily of the valley near where ducks are kept or where they can access