Peace Lily Toxic?

Peace Lily is confirmed toxic to cats and dogs per ASPCA toxicology data
Its primary toxic compound is insoluble calcium oxalate crystals
Ingestion typically causes oral irritation, digestive upset, and potential difficulty swallowing
FAQ
Is Peace Lily toxic to Humans?
Oral burning and irritation, excessive salivation, stomach pain, vomiting, difficulty swallowing (Low)
Is Peace Lily toxic to Cats?
Oral irritation, intense burning and irritation of mouth, tongue and lips, excessive drooling, vomiting, difficulty swallowing (Moderate)
Is Peace Lily toxic to Dogs?
Oral irritation, intense burning and irritation of mouth, tongue and lips, excessive drooling, vomiting, difficulty swallowing (Moderate)
Is Peace Lily toxic to Horses?
Toxicity risk is currently unknown, no confirmed clinical symptom data available (Unknown)
Toxicity Details
Oral burning and irritation, excessive salivation, stomach pain, vomiting, difficulty swallowing
Oral irritation, intense burning and irritation of mouth, tongue and lips, excessive drooling, vomiting, difficulty swallowing
Oral irritation, intense burning and irritation of mouth, tongue and lips, excessive drooling, vomiting, difficulty swallowing
Toxicity risk is currently unknown, no confirmed clinical symptom data available
Toxicity Snapshot
First Aid & Prevention
First 30 Minutes
- • Immediately remove any remaining plant pieces from the exposed subject's mouth
- • Rinse the mouth thoroughly with cool, clean water to flush out remaining oxalate crystals
- • Offer small sips of cool water if the subject is alert and able to swallow safely
- • Monitor closely for signs of swelling, difficulty breathing, or severe pain
Contact Vet Immediately
- • The pet experiences difficulty breathing or visible swelling of the mouth/throat
- • Vomiting is persistent, contains blood, or is accompanied by lethargy
- • The pet cannot swallow or shows signs of extreme distress or pain
Prevention
- • Place Peace Lily plants in areas completely inaccessible to cats, dogs, and small children
- • Wear disposable gloves when pruning or handling the plant to avoid skin irritation from sap
- • Dispose of trimmed plant clippings immediately to prevent accidental ingestion
Treatment & Prognosis
- • Supportive care including oral rinses and fluid administration to manage dehydration from drooling or vomiting
- • Prescription anti-inflammatory and pain relief medications to reduce swelling and discomfort
- • Emergency airway management in rare severe cases where throat swelling impairs breathing
Professional Toxicology
• Insoluble calcium oxalate crystals have sharp, needle-like structures that penetrate soft mucosal tissue in the mouth, throat, and gastrointestinal tract upon contact or ingestion, causing immediate pain, inflammation, and irritation
Information from CliniTox veterinary text.
The following plants look similar and may be confused:
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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.


