Prazosin
Prazosin is an alpha-1 blocker used for selected blood-pressure and other specialist indications. Listed uses include Hypertension.
Key points
- The first-dose and dose-change periods can cause marked dizziness or fainting.
- It is not interchangeable across off-label and blood-pressure uses.
- Fainting, chest pain or a prolonged painful erection needs urgent care.
Listings are for comparison and general information; suitability and supply depend on clinician and pharmacy checks, monitoring and prescription requirements.
Important safety checks
Blood pressure, falls, heart disease, kidney health and other alpha blockers or erectile-dysfunction medicines require review.
When to seek urgent care
Seek urgent help for fainting, chest pain, severe breathlessness or an erection that is painful or will not subside.
