α1-adrenergic antagonist
Terazosin
Brand names: Hytrin
Adult dose
Dose: BPH/HTN: initial 1mg ON, titrate weekly to 5–10mg OD
Route: PO
Frequency: OD
Clinical pearls
- BPH, resistant hypertension
- First dose at bedtime to mitigate hypotension
Contraindications
- Postural hypotension
- Hypersensitivity
Side effects
- First-dose hypotension
- Dizziness
- Asthenia
- Nasal congestion
- Priapism (rare)
- IFIS
Interactions
- Other antihypertensives
- PDE5 inhibitors
- α-blockers
Reference: BNF; NICE NG106; https://bnf.nice.org.uk/drugs/terazosin/. Verify against your local formulary and the latest BNF before prescribing.
Related
Curated clinical cross-links plus same-class fallbacks.
Pathways
- Acute Heart Failure · ESC 2021 Heart Failure Guidelines; NICE NG106
- NSTEMI / Unstable Angina · ESC 2020 NSTEMI Guidelines; NICE NG185
- New-Onset Atrial Fibrillation · ESC 2020 AF Guidelines; NICE NG196
- Hypertensive Emergency · ESC/ESH 2018 Hypertension Guidelines; NICE NG136
- Bradycardia Management · Resuscitation Council UK ABCDE; ESC 2021 Pacing Guidelines
- Ventricular Tachycardia / Fibrillation · Resuscitation Council UK ACLS; ESC 2022 Ventricular Arrhythmia Guidelines