Robin Guo, MD

October 29, 2015

Beta-blockers were one of the first modern medications used for the treatment of blood pressure. Before 1950, treatment options for hypertension were limited. The alphabet soup of medications -- reserpine, pentaquine, hydralazine, and guanethidine -- were notorious for inducing orthostasis, sedation, constipation, impotence, or blurry vision.