Is Barbados Aloe Toxic to Dogs and Cats? (2026)
Aloe barbadensis
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Quick facts
| Toxic to dogs | Yes |
|---|---|
| Toxic to cats | Yes |
| Toxic to horses | Yes |
| Toxic component | Saponins and anthraquinone glycosides in the latex layer |
| Onset of symptoms | Several hours |
| Indoor / outdoor | both |
If your pet ate this plant
Both lines are staffed 24/7. A consultation fee applies to each. Do not wait for symptoms to appear before calling.
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Symptoms in dogs
- Vomiting
- Diarrhea
- Lethargy
- Change in urine color
Symptoms in cats
- Vomiting
- Diarrhea
- Lethargy
Symptoms in horses
- Mild diarrhea
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What to do
Monitor for vomiting/diarrhea over 12-24 hours; most cases are self-limiting. Contact a vet if diarrhea persists or a large amount was eaten.
Toxic component and mechanism
The toxic component in Barbados Aloe is saponins and anthraquinone glycosides in the latex layer.
Part-specific risk: The clear inner gel is less toxic than the latex layer just under the skin.
What makes this plant different
Aloe's toxicity is concentrated almost entirely in the yellowish latex layer just beneath the skin, not the clear gel most people associate with the plant's skin-soothing reputation — this is why a pet licking a broken leaf can react even though topical aloe gel is considered pet-safe on unbroken skin.
Plant identification
- Scientific name
- Aloe barbadensis
- Family
- Aloaceae
- Also known as
- Barbados Aloe, Medicine Plant, True Aloe
- Typically found
- both
Pet-safe alternatives
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Last verified: July 2, 2026 · Cross-referenced with ASPCA Animal Poison Control