Minipress
This medicine is indicated for hypertension and designed to mitigate high blood pressure through peripheral vascular dilation.
Strengths: 1 · 2mg
Where to Check Availability
Medicine details
- Conditions
- Therapeutic class
Alpha Adrenoceptor Antagonist
- Pharmacological class
Alpha-1 Blocker
- Known off-label uses
benign prostatic hyperplasia
- Contraindications
hypersensitivity to quinazolines
- Precautions and warnings
risk of orthostatic hypotension with first dose; do not drive after first dose
- Minor side effects
dizziness; headache; drowsiness; nausea
- Moderate side effects
palpitations; orthostatic hypotension
- Serious side effects
syncope — requires immediate medical attention
- Dosage forms
Tablet
- Administration route
Oral use
- Prescription status
POM
- Manufacturer
Pfizer
- Onset Time
1–2 hours
- Duration
6–10 hours
- Storage instructions
Store at room temperature away from light.
- Drug interactions
Other antihypertensives; Alcohol
- Age restrictions
Use with caution.
- Pregnancy and breastfeeding
Pregnancy: use only if necessary. Breastfeeding: exercise caution.
Patient summary
This medicine is indicated for hypertension and designed to mitigate high blood pressure through peripheral vascular dilation.
Mechanism of action
Prazosin is a competitive antagonist of alpha-1 adrenergic receptors. It causes peripheral vasodilation by preventing the action of norepinephrine on smooth muscles in blood vessels, which reduces total peripheral resistance.
Minipress
This medicine is indicated for hypertension and designed to mitigate high blood pressure through peripheral vascular dilation.
Editorial Notes
- Active ingredient(s): Prazosin
- Listed indication(s): Hypertension
Usually available as
- 180 tablets - 1 mg101-1-mg-3548
- 180 tablets - 2 mg101-2-mg-3555