That the observed effect was specific to tamsulosin may be a function of this drug's superior selectivity for α 1a-adrenergic receptors relative to its counterparts, such as alfuzosin and doxazosin.

Objective: To determine the efficacy and tolerability of low-dose tamsulosin 0.2 mg/day in Chinese patients with symptomatic benign prostatic hyperplasia (BPH). Conclusions: Low-dose tamsulosin 0. ...