Alpha blocker: A drug that blocks receptors in arteries and
smooth muscle. This action relaxes the blood vessels and leads to an increase in blood flow and a lower pressure for the control of
hypertension. The action in the
urinary tract enhances urinary flow in prostatic hypertrophy (enlarged prostate). The
alpha blockers include doxazosin (Cardura), prazosin (Minipress), and
The alpha blockers include doxazosin (Cardura), prazosin (Minipress),
and
terazosin (Hytrin).
