[affected.gif] Animals most affected
All species.

Ingestion of forage contaminated by industrial pollution (incidence extremely rare). Deliberate or criminal poisoning is often referred to but is rarely seen in veterinary medicine.

[toxic.gif] Toxicity
Cumulative poison concentrating particularly in the CNS, the skin and all structures associated with the dermis/epidermis and ectodermis. Toxic doses not well known.

Sodium arsenite
LD 0.20.5 mg/kg per day for several months

Phenomenon of pseudo-tolerance, due to 'mithridatism', or gradual reduction in intestinal absorption.

[clinical.gif] Clinical features
Cutaneo-mucosal syndrome

Gastrointestinal effects

Neurological effects

[lesions.gif] Lesions

[treatm~1.gif] Treatment
Stop further exposure immediately.


[labinv~1.gif] Laboratory investigations