α₁A Antagonist

Introduction Tamsulosin is a selective α₁A-adrenergic receptor antagonist, widely prescribed for the treatment of benign prostatic hyperplasia (BPH). By relaxing smooth muscle in the prostate and bladder neck, it improves urinary flow and decreases symptoms of lower urinary tract obstruction. Its receptor selectivity minimizes blood pressure effects compared to non-selective alpha blockers. Step-by-Step Mechanism of … Read more