Doxazosin

Brand name of Doxazosin: Cardura

What is Doxazosin?

  • Doxazosin is commonly prescribed for high blood pressure and benign prostatic hyperplasia (BPH).

  • It belongs to a class of medications called alpha-blockers.

  • Doxazosin is available as standard release and modified release, we will only talk about standard as modified release is not routinely prescribed

How Does it Work and Why is it Important to Take?

  • Doxazosin relaxes muscles in blood vessels and the prostate, improving blood flow and relieving symptoms like difficulty urinating.

  • It's crucial for managing high blood pressure and alleviating BPH symptoms.

The Dose of The Medication

  • The usual dose for high blood pressure is between 2mg and 16mg once a day.

  • For BPH, it's typically between 2mg and 8mg once daily.

How and When to Take It

  • Take Doxazosin at the same time daily for consistency. It can be taken at any time during the day.

What to Expect

  • Doxazosin may take a few weeks to show its full benefits.

What to Do if You Miss a Dose

  • If you miss a dose, skip it and take the next scheduled dose as usual. Never double up on doses.

Possible Side Effects

  • Weakness

  • Dizziness

  • Drowsiness

  • Swollen feet, ankles or fingers

  • Urinary tract infections (UTIs)

  • Stomach pain

  • Nausea

  • Indigestion

Management of Side Effects

  • Click here for common side effects and how to manage them.

  • If you experience any swelling, raise the swollen area on a pillow or chair.

  • If you are experiencing any signs of an UTI, such as pain of urinating, smelly or cloudy pee, then see your local pharmacy.

  • If you experience severe, persistent or bothersome side effects, contact your GP clinician, local pharmacy or NHS 111

Common Interactions

  • Inform your clinician about all medications, including over-the-counter and herbal supplements.

  • Be cautious with erectile dysfunction medication and avoid ibuprofen.

Special Warnings

  • Avoid alcohol until you know how Doxazosin affects you, as it may increase its blood pressure-lowering effect.

Monitoring Your Progress

  • Regular check-ups with your GP clinician are important for monitoring blood pressure and side effects.

Where to Find More Information and Who to Contact

  • Refer to the patient information leaflet and the NHS website for more details.

  • If you have questions or experience unusual symptoms, contact your GP clinician, local pharmacy, or NHS 111.