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Alfuzosin

Generic Name: alfuzosin (al FUE zoe sin)
Brand Name: Uroxatral

Medically reviewed on January 29, 2018.

What is alfuzosin?

Alfuzosin is an alpha-adrenergic (AL-fa ad-ren-ER-jik) blocker. Alfuzosin helps relax the muscles in the prostate and bladder neck, making it easier to urinate.

Alfuzosin is used to improve urination in men with benign prostatic hyperplasia (enlarged prostate).

Alfuzosin may also be used for purposes not listed in this medication guide.

Important Information

You should not take alfuzosin if you have moderate to severe liver disease.

There are many other drugs that can interact with alfuzosin. Tell your doctor about all medications you use.

Before taking this medicine

You should not take alfuzosin if you are allergic to it, or if you have:

  • moderate to severe liver disease.

Some medicines can interact with alfuzosin and should not be used at the same time. Your doctor may need to change your treatment plan if you use any of the following drugs:

To make sure alfuzosin is safe for you, tell your doctor if you have:

Alfuzosin can affect your pupils during cataract surgery. Tell your eye surgeon ahead of time that you are using this medicine.

Although alfuzosin is not for use in women, this medicine is not expected to harm an unborn baby or a nursing baby. If you are a woman and you take alfuzosin, tell your doctor if you are pregnant or breast-feeding.

Alfuzosin is not approved for use by anyone younger than 18 years old.

How should I take alfuzosin?

Follow all directions on your prescription label. Your doctor may occasionally change your dose to make sure you get the best results. Do not use this medicine in larger or smaller amounts or for longer than recommended.

Alfuzosin is usually taken once daily just after a meal. Do not take alfuzosin on an empty stomach. Take the medicine at the same time each day.

Do not crush, chew, or break an extended-release tablet. Swallow it whole.

Alfuzosin lowers blood pressure and may cause dizziness or fainting, especially when you first start taking it. You may feel very dizzy when you first wake up. Avoid getting up too fast from a sitting or lying position, or you may feel dizzy. Get up slowly and steady yourself to prevent a fall.

While using alfuzosin, your blood pressure and prostate will need to be checked often.

Some things can cause your blood pressure to get too low. This includes vomiting, diarrhea, or heavy sweating. Call your doctor if you have a prolonged illness that causes diarrhea or vomiting.

Store at room temperature away from moisture, heat, and light.

What happens if I miss a dose?

Take the missed dose as soon as you remember. Skip the missed dose if it is almost time for your next scheduled dose. Do not take extra medicine to make up the missed dose.

What happens if I overdose?

Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.

What should I avoid while taking alfuzosin?

This medicine may impair your thinking or reactions. Be careful if you drive or do anything that requires you to be alert.

Drinking alcohol with this medicine can cause side effects.

Alfuzosin side effects

Get emergency medical help if you have signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.

Call your doctor at once if you have:

  • a light-headed feeling, like you might pass out;

  • new or worsening chest pain;

  • upper stomach pain, loss of appetite, dark urine, clay-colored stools, jaundice (yellowing of the skin or eyes); or

  • penis erection that is painful or lasts 4 hours or longer.

Common side effects may include:

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

See also: Side effects (in more detail)

Alfuzosin dosing information

Usual Adult Dose for Benign Prostatic Hyperplasia:

Extended-release tablet: 10 mg orally once a day immediately after the same meal each day

What other drugs will affect alfuzosin?

Many drugs can interact with alfuzosin, and some drugs should not be used together. This includes prescription and over-the-counter medicines, vitamins, and herbal products. Not all possible interactions are listed in this medication guide. Tell your doctor about all medicines you use, and those you start or stop using during your treatment with alfuzosin. Give a list of all your medicines to any healthcare provider who treats you.

Further information

Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

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