The invention relates to a medical product for treatment of inflammatory diseases of the prostate, in particular prostatitis and to a food supplement and the use thereof, in particular as herbal medicines, which contain plants (drugs), the plants being selected from the group consisting of : rosemary (Rosmarinus officinalis/Rosmarini folium), lovage (Levisticum officinale/Levistici radix), and lesser centaury (Centaurium erythraea/Centaurii herba), and mixtures thereof.