An alpha-blocker drug used for the treatment of urinary symptoms due to an enlarged prostate gland (see prostate, enlarged).
Side effects include low blood pressure, drowsiness, dry mouth, and gastrointestinal disturbances.
n. a highly selective *alpha blocker taken by mouth to treat *lower urinary tract symptoms thought to be due to benign prostatic hyperplasia (see prostate gland). Specific side-effects include retrograde ejaculation that is reversible on stopping the drug and also ‘floppy iris’ syndrome.
(alpha-adrenergic blocker) a drug that prevents the stimulation of alpha *adrenoceptors at the nerve endings of the sympathetic nervous system by noradrenaline and adrenaline: it therefore causes relaxation of smooth muscle, including widening of arteries (vasodilatation) and a drop in blood pressure. Alpha blockers include *doxazosin, *phentolamine, *phenoxybenzamine, *indoramin, *prazosin, *alfuzosin, and *tamsulosin.... alpha blocker
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