ALFUZOSIN EXHIBITS SELECTIVITY FOR ALPHA 1 -ADRENERGIC RECEPTORS IN THE LOWER URINARY TRACT. BLOCKADE OF THESE ADRENORECEPTORS CAN CAUSE SMOOTH MUSCLE IN THE BLADDER NECK AND PROSTATE TO RELAX, RESULTING IN AN IMPROVEMENT IN URINE FLOW AND A REDUCTION IN SYMPTOMS OF BPH.
ALFUSIN (ALFUZOSIN HCL EXTENDED-RELEASE) IS A SELECTIVE ANTAGONIST OF POST-SYNAPTIC ALPHA 1 -ADRENORECEPTORS, WHICH ARE LOCATED IN THE PROSTATE, BLADDER BASE, BLADDER NECK, PROSTATIC CAPSULE, AND PROSTATIC URETHRA.