The present invention relates to a pharmaceutical composition comprising: —;an extract of Ajuga reptans comprising an amount of phenylpropanoids from 30% to 70% by weight with respect to the weight of the extract, wherein said amount of phenylpropanoids comprises an amount from 10 to 50% of teupolioside with respect to the total phenylpropanoid weight, and —;an extract of Epilobium comprising an amount from 20 to 50% by weight of polyphenols with respect to the weight of the extract, wherein said amount of polyphenols comprises up to 3% by weight of oenothein B with respect to the total amount of polyphenols. Also described is the pharmaceutical composition of the invention for use in the treatment of prostatic diseases, in particular the benign prostatic hyperplasia.