BPH drugs - Pharmacy Freak

Mechanism of Action of Flomax

April 10, 2026January 22, 2026 Pharmacy Freak Editorial Team Harsh Singh Rajput

Introduction Flomax is the brand name for tamsulosin, a selective α₁-adrenergic receptor antagonist used primarily in the management of lower urinary tract symptoms (LUTS) associated with benign prostatic hyperplasia (BPH). It is highly exam-relevant due to its receptor selectivity, uroselective action, and reduced cardiovascular adverse effects compared with nonselective α-blockers. Mechanism of Action (Step-wise) Flomax … Read more

Mechanism of Action of Alpha-Adrenergic Blockers

April 10, 2026October 7, 2025 Pharmacy Freak Editorial Team Harsh Singh Rajput

Introduction Alpha-adrenergic blockers, also called alpha-blockers, are a class of drugs that antagonize the effects of catecholamines (epinephrine and norepinephrine) at alpha-adrenergic receptors. Mechanism of Action of Alpha-Adrenergic Blockers involves inhibition of alpha-1 and/or alpha-2 receptors, resulting in vasodilation, decreased peripheral vascular resistance, and reduced blood pressure. These drugs are commonly used in the management … Read more