AGENT FOR TREATING URINARY OUTLET OBSTRUCTION ASSOCIATED WITH BENIGN PROSTATIC HYPERPLASIA

摘要

This invention provides an agent for use in the treatment of urinary outlet obstruction associated with benign prostatic hyperplasia, which contains an .alpha.1c receptor subtype-selective blocking agent as an active ingredient and does not exert influence upon blood pressure. This invention is useful as medicines, particularly as a therapeutic preparation of urinary outlet obstruction associated with benign prostatic hyperplasia showing no influence on blood pressure.