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doxazosin

Pronunciation: dox AY zo sin

Brand: Cardura, Cardura XL

Cardura 1 mg

oblong, white, imprinted with CARDURA, 1 mg

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Cardura 2 mg

oblong, yellow, imprinted with CARDURA, 2 mg

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Cardura 4 mg

oblong, orange, imprinted with CARDURA, 4 mg

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Cardura 8 mg

oblong, green, imprinted with CARDURA, 8 mg

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Doxazosin 1 mg-APO

round, white, imprinted with 093, APO

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Doxazosin 1 mg-ETH

oblong, gray, imprinted with 1mg, ETH 266

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Doxazosin 1 mg-MYL

round, white, imprinted with M D9

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Doxazosin 1 mg-PP

round, white, imprinted with R 642

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Doxazosin 1 mg-TEV

round, white, imprinted with N 590, 1

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Doxazosin 2 mg-APO

oblong, white, imprinted with 094, APO

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Doxazosin 2 mg-ETH

oblong, yellow, imprinted with 2 mg, ETH 267

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Doxazosin 2 mg-MYL

round, pink, imprinted with M D10

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Doxazosin 2 mg-PP

oblong, white, imprinted with R 643

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Doxazosin 2 mg-TEV

oblong, white, imprinted with N 593, 2

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Doxazosin 4 mg-APO

oblong, white, imprinted with APO, 095

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Doxazosin 4 mg-ETH

oblong, pink, imprinted with 4 mg, ETH 268

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Doxazosin 4 mg-MYL

round, blue, imprinted with M D11

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Doxazosin 4 mg-TEV

diamond, white, imprinted with N 596, 4

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Doxazosin 8 mg-APO

oblong, white, imprinted with 096, APO

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Doxazosin 8 mg-ETH

oblong, blue, imprinted with ETH269, 8 mg

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Doxazosin 8 mg-MYL

round, lavender, imprinted with M D12

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Doxazosin 8 mg-PP

round, white, imprinted with R 645

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Doxazosin 8 mg-TEV

round, white, imprinted with N 598, 8

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What is the most important information I should know about doxazosin?

Multum donot

You should not use this medication if you are allergic to doxazosin or similar medicines such as alfuzosin (Uroxatral), prazosin (Minipress), silodosin (Rapaflo), tamsulosin (Flomax), or terazosin (Hytrin).

Multum dizzy

Doxazosin may cause dizziness or fainting, especially when you first start taking it or when you start taking it again. Be careful if you drive or do anything that requires you to be alert. Avoid standing for long periods of time or becoming overheated during exercise and in hot weather. Avoid getting up too fast from a sitting or lying position, or you may feel dizzy.

Multum emt

If you stop taking doxazosin for any reason, call your doctor before you start taking it again. You may need a dose adjustment.

Doxazosin can affect your pupils during cataract surgery. Tell your eye surgeon ahead of time that you are using this medication. Do not stop using doxazosin before surgery unless your surgeon tells you to.

Tell your doctor about all other medications you use, especially other blood pressure medications including diuretics (water pills).

What is doxazosin?

Doxazosin is in a group of drugs called alpha-adrenergic (AL-fa ad-ren-ER-jik) blockers. Doxazosin relaxes your veins and arteries so that blood can more easily pass through them. It also relaxes the muscles in the prostate and bladder neck, making it easier to urinate.

Doxazosin is used to treat hypertension (high blood pressure), or to improve urination in men with benign prostatic hyperplasia (enlarged prostate).

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

What should I discuss with my doctor before taking doxazosin?

Multum donot

You should not use this medication if you are allergic to doxazosin or similar medicines such as alfuzosin (Uroxatral), prazosin (Minipress), silodosin (Rapaflo), tamsulosin (Flomax), or terazosin (Hytrin).

If you have liver disease or a history of prostate cancer, you may need a dose adjustment or special tests to safely take doxazosin.

Doxazosin can affect your pupils during cataract surgery. Tell your eye surgeon ahead of time that you are using this medication. Do not stop using doxazosin before surgery unless your surgeon tells you to.

Multum nopreg

FDA pregnancy category C. It is not known whether doxazosin will harm an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant while using this medication.

Multum nobrfeed

It is not known whether doxazosin passes into breast milk or if it could harm a nursing baby. Do not use this medication without telling your doctor if you are breast-feeding a baby.

How should I take doxazosin?

Take exactly as prescribed by your doctor. Do not take in larger or smaller amounts or for longer than recommended. Follow the directions on your prescription label.

Your doctor may occasionally change your dose to make sure you get the best results.

Multum dizzy

Doxazosin lowers blood pressure and may cause dizziness or fainting, especially when you first start taking it, or when you start taking it again. Call your doctor if you have severe dizziness or feel like you might pass out.

You may feel very dizzy when you first wake up. Be careful when standing or sitting up from a lying position.

Multum emt

If you stop taking doxazosin for any reason, call your doctor before you start taking it again. You may need a dose adjustment.

Your blood pressure or prostate will need to be checked often. Visit your doctor regularly.

Multum finish

If you are being treated for high blood pressure, keep using this medication even if you feel well. High blood pressure often has no symptoms. You may need to use blood pressure medication for the rest of your life.

Some things can cause your blood pressure to get too low. This includes vomiting, diarrhea, heavy sweating, heart disease, dialysis, a low-salt diet, or taking diuretics (water pills). Tell your doctor if you have a prolonged illness that causes diarrhea or vomiting.

Multum rt

Store at room temperature away from moisture and heat.

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.

If you miss your doses for several days in a row, contact your doctor before restarting the medication. You may need a lower dose.

What happens if I overdose?

Multum emt

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

Overdose symptoms may include extreme dizziness or fainting.

What should I avoid while taking doxazosin?

Multum dizzy

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

To prevent dizziness, avoid standing for long periods of time or becoming overheated during exercise and in hot weather.

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.

Multum noalcohol

Drinking alcohol can increase certain side effects of doxazosin.

What are the possible side effects of doxazosin?

Multum emt

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

Multum donot

Call your doctor at once if you have a serious side effect such as:

  • feeling like you might pass out;
  • fast or pounding heartbeats, fluttering in your chest;
  • trouble breathing;
  • swelling in your hands, ankles, or feet; or
  • penis erection that is painful or lasts 4 hours or longer.

Less serious side effects may include:

  • mild dizziness;
  • tired feeling, drowsiness;
  • headache;
  • nausea; or
  • runny nose.

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.

What other drugs will affect doxazosin?

Tell your doctor about all other medications you use, especially:

  • sildenafil (Viagra, Revatio)
  • tadalafil (Cialis);
  • vardenafil (Levitra); or
  • other blood pressure medications, including diuretics (water pills).

This list is not complete and other drugs may interact with doxazosin. Tell your doctor about all medications you use. This includes prescription, over-the-counter, vitamin, and herbal products. Do not start a new medication without telling your doctor.

Where can I get more information?

Your pharmacist can provide more information about doxazosin.


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.

Every effort has been made to ensure that the information provided by Cerner Multum, Inc. ('Multum') is accurate, up-to-date, and complete, but no guarantee is made to that effect. Drug information contained herein may be time sensitive. Multum information has been compiled for use by healthcare practitioners and consumers in the United States and therefore Multum does not warrant that uses outside of the United States are appropriate, unless specifically indicated otherwise. Multum's drug information does not endorse drugs, diagnose patients or recommend therapy. Multum's drug information is an informational resource designed to assist licensed healthcare practitioners in caring for their patients and/or to serve consumers viewing this service as a supplement to, and not a substitute for, the expertise, skill, knowledge and judgment of healthcare practitioners. The absence of a warning for a given drug or drug combination in no way should be construed to indicate that the drug or drug combination is safe, effective or appropriate for any given patient. Multum does not assume any responsibility for any aspect of healthcare administered with the aid of information Multum provides. The information contained herein is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. If you have questions about the drugs you are taking, check with your doctor, nurse or pharmacist.

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