Ancillary / ARB

Doxazosin

Alpha-1 blocker. FDA-approved for BPH and hypertension. Used on AAS cycles for blood pressure management, especially with compounds that cause significant BP elevation.

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Educational reference only. This page does not diagnose, prescribe, or replace care from a licensed professional. Laws, availability, and clinical appropriateness vary by location.

Reference dose1–8 mg once daily at bedtime

Half-life22 hours

Risk flagmoderate

Regulatory noteFDA-approved context noted

Side effects and watch-outs

⚠️ First-dose hypotension — take at bedtime to avoid syncope
Dizziness
Orthostatic hypotension
Nasal congestion
Fatigue
Oedema
⚠️ Priapism (rare but serious)