【炮制】    除去杂质，洗净，干燥。                                                                                
        【性味与归经】    辛，平；有毒。归肝经。                                                                    
        【功能与主治】    息风镇痉，攻毒散结，通络止痛。用于小儿惊风，抽搐痉挛，中
风口{呙}，半身不遂，破伤风，风湿顽痹，偏正头痛，疮疡，瘰疬。                                    
        【用法与用量】    3～6g。                                                                                        
        【贮藏】    置干燥处，防蛀。