Lily Toxicity in Cats
True lilies (Lilium and Hemerocallis species) are extremely toxic to cats. Ingestion of any part — pollen, leaves, water from the vase — can cause acute kidney failure and death within days.
Toxicity Level
True lilies rank among the most dangerous plants for cats. Even minimal exposure — a few pollen grains licked from fur — can trigger acute kidney failure.
Symptoms
- Vomiting (often within hours)
- Lethargy and depression
- Loss of appetite
- Increased or decreased urination
- Dehydration
- Acute kidney failure (24–72 hours)
Emergency Steps
- Remove the cat from the plant and isolate remaining plant material
- Do not wait for symptoms — seek emergency veterinary care
- Bring plant identification or photos if possible
- Expect 48+ hours of IV fluid therapy and kidney monitoring
Vet Treatment
Treatment is supportive and time-sensitive:
- Induced emesis (if recent ingestion)
- Activated charcoal
- Aggressive IV fluid diuresis
- Serial kidney values (creatinine, SDMA)
- Anti-nausea medications
Safe Alternatives
Cat-safe greenery includes:
- Cat grass (Avena sativa, Triticum aestivum)
- Catnip (Nepeta cataria)
- Spider plant (non-toxic, mild hallucinogenic effect in some cats)
Related Plants
Do not confuse true lilies with similarly named plants. Peace lilies and calla lilies cause oral irritation but are not true Lilium species — still keep them away from cats.
Common Questions
More in This Category
Is Basil Safe for Cats?
Basil is generally considered non-toxic to cats, but large amounts or seasoned basil products can still cause gastrointestinal upset.
Are Bromeliads Toxic to Cats?
Bromeliads are generally considered non-toxic to cats, though chewing leaves can still cause mild stomach upset in some cats.
Are Calla Lilies Poisonous to Cats?
Calla lilies are poisonous to cats, but unlike true lilies they typically cause oral irritation and GI upset rather than kidney failure.
Are Chrysanthemums Toxic to Cats?
Chrysanthemums are toxic to cats and can cause drooling, vomiting, diarrhea, skin irritation, and occasionally neurologic signs.
Are Dahlias Toxic to Cats?
Dahlias are considered toxic to cats and may cause vomiting, diarrhea, drooling, and mild skin irritation after exposure.
Is Eucalyptus Safe for Cats?
Eucalyptus is not considered safe for cats; oils and plant compounds can cause drooling, vomiting, depression, and neurologic signs at higher exposures.
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Basil is generally considered non-toxic to cats, but large amounts or seasoned basil products can still cause gastrointestinal upset.
Are Bromeliads Toxic to Cats?
Bromeliads are generally considered non-toxic to cats, though chewing leaves can still cause mild stomach upset in some cats.
Are Calla Lilies Poisonous to Cats?
Calla lilies are poisonous to cats, but unlike true lilies they typically cause oral irritation and GI upset rather than kidney failure.
Are Chrysanthemums Toxic to Cats?
Chrysanthemums are toxic to cats and can cause drooling, vomiting, diarrhea, skin irritation, and occasionally neurologic signs.
Are Dahlias Toxic to Cats?
Dahlias are considered toxic to cats and may cause vomiting, diarrhea, drooling, and mild skin irritation after exposure.
Is Eucalyptus Safe for Cats?
Eucalyptus is not considered safe for cats; oils and plant compounds can cause drooling, vomiting, depression, and neurologic signs at higher exposures.
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Sources & Citations
- Lilies - Toxic to Cats (opens in new tab) — Pet Poison Helpline