Why Is Antimony Toxic?

Why Is Antimony Toxic? Antimony toxicity occurs either due to occupational exposure or during therapy. Occupational exposure may cause respiratory irritation, pneumoconiosis, antimony spots on the skin and gastrointestinal symptoms. In addition antimony trioxide is possibly carcinogenic to humans. Why is antimony poisonous? It is believed that the toxicity of antimony and of arsenic is