What is Minipress: Uses, Warnings & Interactions

Updated Jan 13, 2021  •  Published Dec 30, 2020

Minipress overview

BRAND NAMES:

  • Prazosin HCl, Minipress

Generic Names:

  • Prazosin Hcl

Uses:

  • Treats high blood pressure.

Therapeutic Classes:

  • Antihypertensive, Benign Prostatic Hypertrophy Agent, Cardiovascular Agent

Forms:

  • Capsule

How it’s taken:

  • By mouth

What is Minipress used for?

Minipress is a sympatholytic medication used in the treatment of high blood pressure or hypertension. It works by relaxing and widening vessels so can flow more easily.

What form(s) does Minipress come in

  • Capsule

What are common Minipress doses?

  • Capsule 1MG

  • Capsule 2MG

  • Capsule 5MG

Common Minipress prescriptions

  • Minipress
    1mg capsule

  • Minipress
    2mg capsule

  • Minipress
    5mg capsule

How to take Minipress

  • Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light.

  • Missed dose: Take a dose as soon as you remember. If it is almost time for your next dose, wait until then and take a regular dose. Do not take extra medicine to make up for a missed dose.

  • Take your medicine as directed. Your dose may need to be changed several times to find what works best for you.

  • Take your medicine as directed. Your dose may need to be changed several times to find what works best for you.

  • Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light.

  • Missed dose: Take a dose as soon as you remember. If it is almost time for your next dose, wait until then and take a regular dose. Do not take extra medicine to make up for a missed dose.

Minipress contraindications

  • This medicine is not right for everyone. Do not use it if you had an allergic reaction to prazosin or quinazolines.

Minipress warnings

  • Tell your doctor if you are pregnant or breastfeeding, or if you have kidney disease or cataracts.

  • Your doctor will check your progress and the effects of this medicine at regular visits. Keep all appointments.

  • This medicine could lower your blood pressure too much, especially when you first use it or if you are dehydrated. This can make you dizzy or lightheaded. Do not drive or do anything else that could be dangerous until you know how this medicine affects you. Stand or sit up slowly if you feel lightheaded or dizzy. These symptoms may be worse if you drink alcohol.

  • Tell any doctor or dentist who treats you that you are using this medicine. This medicine may affect certain medical test results.

  • Keep all medicine out of the reach of children. Never share your medicine with anyone.

Minipress interactions

  • Some medicines can affect how prazosin works. Tell your doctor if you also use any of the following:Sildenafil, tadalafil, vardenafil, or similar medicinesBeta-blockers, including propranololDiuretic (water pill)

  • This medicine could lower your blood pressure too much, especially when you first use it or if you are dehydrated. This can make you dizzy or lightheaded. Do not drive or do anything else that could be dangerous until you know how this medicine affects you. Stand or sit up slowly if you feel lightheaded or dizzy. These symptoms may be worse if you drink alcohol.

  • Your doctor will check your progress and the effects of this medicine at regular visits. Keep all appointments.

  • Keep all medicine out of the reach of children. Never share your medicine with anyone.

  • Tell any doctor or dentist who treats you that you are using this medicine. This medicine may affect certain medical test results.

Minipress side effects

Serious Side Effects

  • Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing

  • Fast, pounding, or uneven heartbeat

  • Painful erection of your penis for more than 4 hours

  • Lightheadedness, dizziness, or fainting

Less Serious Side Effects

  • Tiredness

  • Headache