Definition of alpha blocker in English:

alpha blocker


  • Any of a class of drugs which prevent the stimulation of the adrenergic receptors responsible for increased blood pressure.

    ‘Because the alpha blocker lowers your blood pressure, it can make you feel tired or sleepy.’
    • ‘Other high blood pressure medications your doctor may prescribe are diuretics, beta blockers, calcium antagonists and alpha blockers.’
    • ‘Calcium channel blockers (eg nifedipine) or alpha blockers (eg prazosin) - these help widen the blood vessels.’
    • ‘Peripheral alpha blockers, centrally acting agents, and vasodilators have limited use in older persons because of significant side effect profiles.’
    • ‘Dizziness, tiredness, and weakness are the main possible side effects of the alpha blockers.’


alpha blocker

/ˈbläkər/ /ˈblɑkər/