Last Updated on August 19, 2026
Table of Contents
Types
• Specific VS
non-specific
Restricted for treatment of phaechromocytoma only
(e.g. phentolamine, phenoxybenzamine)×
Mechanism of Action
• Reduces peripheral resistance → lowers BP Provide symptomatic relief for early BPH
•
Reduces prostatic & urethral smooth muscle
×
Doses
α blockers | Starting dose | Recommended maximum daily dose |
Doxazosin | 1 mg OD | 16 mg OD |
0.5 mg BD - TDS | 20 mg in divided doses | |
1 mg ON | 20 mg OD |
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