Non Selective Alpha Blockers
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Non Selective Alpha Blockers
Latest published update: 30 Jul 2026Exam Points3
View all →Nonselective alpha blockers: classification
Phenoxybenzamine is a haloalkylamine that irreversibly blocks alpha receptors.
Nonselective alpha blockers: mechanism
Alpha-1 blockade vasodilates resistance and capacitance vessels.
Nonselective alpha blockers: adverse effects and precautions
Postural hypotension, reflex tachycardia, nasal congestion, dizziness and inhibition of ejaculation may occur.
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