Objective: To study the effects of Qiantongning formula on tumor necrosis factor-α( TNF-α),interleukin-8( IL-8),interleukin-10( IL-10),and β-endorphin( β-EP) in a rat model of chronic aseptic prostatitis( CAP). Methods: Forty Sprague-Dawley rats were randomly divided into blank control group,model group,tamsulosin hydrochloride group,and Qiantongning formula group. All the rats except those in blank control group were subcutaneously injected with estradiol benzoate in the back following castration to establish the CAP model. The...