α-BlOcKeRS anD iFiS Tamsulosin was reportedly introduced in Japan in 1993, in the United Kingdom in 1997, and in the United States in 1997. Gupta et al related the popularity of the drug to its high affinity for the α1A receptor, which explains the lower incidence of adverse cardiovascular events in patients taking tamsulosin compared with less selective α-adrenergic blockers.3 Additionally, th...