Upas antiaris

     Resinous exudation of ANTIARIS TOXIEARIA, a deadly poison to the muscular system. It suspends both voluntary muscular action and that of the heart without causing convulsions. Used in Java as an arrow poison Merrell. Differs in producing CLONIC SPASMS, violent vomiting, diarrhoea, great prostration. UPAS when Bryonia fails typhoid.