Alocasia antiquorum (taro, dasheen, eddo cocoyam), A. macrorrhiza, A. indica. Related species: Colocasia esculenta (taro, elephant's ears). A member of the plant family ARACEAE. Herbaceous plant with thick stem and downy leaves. Ornamental plant of numerous varieties.


[affected.gif] Animals most affected
Dogs, cats.


[etiology.gif] Etiology
Chewing and/or ingestion of the leaves.


[toxic.gif] Toxicity
The sap contains calcium oxalate crystals and a proteolytic enzyme, both of which are intense irritants. Toxic doses unknown.


[clinical.gif] Clinical features

Intensity and severity of poisoning depend upon the species or variety of the plant.

Local effects
Involve the buccal mucosae, lips and oropharynx, the eyes and skin of the head:

General effects
Vomiting, gastric and abdominal pain.
Generally favourable outcome, but recovery is slow (8-10 days).


[lesions.gif] Lesions


[treatm~1.gif] Treatment
No antidote. Symptomatic and supportive care only.

Following contact

Following ingestion

If indicated