Naked Lady Toxic?

Updated 2026-03-06| 2 min read| 4,896 found this helpful
Amaryllis spp.
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Amaryllis spp. (Naked Lady) is confirmed toxic to cats, dogs, and horses per ASPCA data.

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Primary toxic compounds are lycorine and other associated alkaloids present across the plant.

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Ingestion leads to gastrointestinal distress, neurological symptoms, and appetite loss in affected animals.

FAQ

Is Naked Lady toxic to Humans?

Limited public toxicity data available; ingestion may cause mild gastrointestinal upset, salivation, and nausea in most adults. (Low)

Is Naked Lady toxic to Cats?

Vomiting, depression, diarrhea, abdominal pain, hypersalivation, anorexia, tremors (Moderate)

Is Naked Lady toxic to Dogs?

Vomiting, depression, diarrhea, abdominal pain, hypersalivation, anorexia, tremors (Moderate)

Is Naked Lady toxic to Horses?

Depression, diarrhea, abdominal pain, hypersalivation, anorexia, tremors (vomiting not observed in horses) (Moderate)

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Toxicity Details

Humans
Low

Limited public toxicity data available; ingestion may cause mild gastrointestinal upset, salivation, and nausea in most adults.

Cats
Moderate

Vomiting, depression, diarrhea, abdominal pain, hypersalivation, anorexia, tremors

Dogs
Moderate

Vomiting, depression, diarrhea, abdominal pain, hypersalivation, anorexia, tremors

Horses
Moderate

Depression, diarrhea, abdominal pain, hypersalivation, anorexia, tremors (vomiting not observed in horses)

Toxicity Snapshot

Toxic PartsBulbs (highest toxin concentration), leaves, flowers, and stems
Exposure RouteIngestion is the primary exposure route; skin contact may cause mild temporary irritation in sensitive individuals.
Toxic CompoundsLycorine; Other Amaryllidaceae alkaloids

First Aid & Prevention

First 30 Minutes

  • • Remove all remaining plant material from the affected animal's mouth and surrounding area to stop further ingestion.
  • • Rinse the animal's mouth thoroughly with clean cool water to flush out residual toxin residues.
  • • Collect a sample of the ingested plant to share with your veterinarian for accurate diagnosis.

Contact Vet Immediately

  • • Your pet or horse has ingested any part of the Amaryllis plant, even if no symptoms are visible yet.
  • • You observe abnormal symptoms including vomiting, diarrhea, tremors, or lethargy after exposure.
  • • The affected animal is juvenile, senior, or has pre-existing health conditions that may amplify toxicity risks.

Prevention

  • • Keep Amaryllis plants, cuttings, and stored bulbs out of reach of cats, dogs, and horses at all times.
  • • Dispose of fallen leaves, flowers, and discarded bulbs securely in closed bins inaccessible to animals.
  • • Educate household members and stable staff about the toxicity of this plant to avoid accidental exposure.

Treatment & Prognosis

  • • Veterinary care may include decontamination via induced vomiting (for small animals) and activated charcoal to reduce toxin absorption.
  • • Supportive care including fluid therapy, anti-emetics, and anti-diarrheal medication may be administered to manage symptoms.
  • • Neurological and gastrointestinal function will be monitored in severe cases to address potential secondary complications.
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Professional Toxicology

Scientific NameAmaryllis spp.
AliasesBelladonna Lily、March Lily
Toxicity Grade
HumansLow
CatsModerate
DogsModerate
HorsesModerate
Target Organs
Gastrointestinal tractCentral nervous system
Mechanism of Action

• Lycorine and other alkaloids inhibit cellular protein synthesis, irritate the gastrointestinal mucosal lining, and disrupt normal central nervous system function.

Other Species Risk (CliniTox)

Information from CliniTox veterinary text.

Small mammals (rabbits, guinea pigs, hamsters): Confirmed toxic; ingestion may cause severe gastrointestinal distress, neurological impairment, and potentially fatal complications without prompt care.
Pet birds: Limited data available, but alkaloid compounds are expected to cause digestive upset, lethargy, and organ stress if ingested in significant amounts.
Confusion Risk

The following plants look similar and may be confused:

Garden Amaryllis Hippeastrum spp.
Widely mislabeled as Amaryllis in commercial horticulture; Hippeastrum is native to the Americas while true Amaryllis is native to South Africa, both have similar toxicity profiles.
Deadly Nightshade Atropa belladonna
Shares the common alias 'Belladonna Lily' with Amaryllis; Deadly Nightshade is a highly toxic Solanaceae plant with different active toxins and far higher human toxicity risk.
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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.

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