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What is it? Overview Usage Side Effects and Warnings

Doxazosin Overview

Written by FoundHealth.

(doks AY zoe sin)

U.S. Brand Names

Cardura®; Cardura® XL

Canadian Brand Names

Alti-Doxazosin; Apo-Doxazosin®; Cardura-1™; Cardura-2™; Cardura-4™; Gen-Doxazosin; Mylan-Doxazosin; Novo-Doxazosin

Mexican Brand Names


Pharmacologic Category

Alpha1 Blocker

What key warnings should I know about before taking this medicine?

• This medicine does not mix well with some medicines. Serious reactions may occur. Check all medicines with healthcare provider.

Reasons not to take this medicine

• If you have an allergy to doxazosin or any other part of this medicine.

• Tell healthcare provider if you are allergic to any medicine. Make sure to tell about the allergy and how it affected you. This includes telling about rash; hives; itching; shortness of breath; wheezing; cough; swelling of face, lips, tongue, or throat; or any other symptoms involved.

• Long-acting products: If you have a narrowing of the gastrointestinal tract or an intestinal blockage.

How does it work?

• Doxazosin relaxes blood vessels, lowering blood pressure.

• It relaxes the muscles of the prostate, improving symptoms.

How is it best taken?

• Take this medicine in the morning or at bedtime as directed by healthcare provider.

• Take this medicine with or without food. Take with food if it causes an upset stomach.

• Cardura® XL: Take with breakfast. Swallow whole. Do not chew, break, or crush.

• Drink plenty of noncaffeine-containing liquid unless told to drink less liquid by healthcare provider.

• If using for blood pressure, follow diet plan and exercise program as recommended by healthcare provider.

What do I do if I miss a dose? (does not apply to patients in the hospital)

• Take a missed dose as soon as possible.

• If it is almost time for the next dose, skip the missed dose and return to your regular schedule.

• Do not take a double dose or extra doses.

• Do not change dose or stop medicine. Talk with healthcare provider.

What should I monitor?

• Change in condition being treated. Is it better, worse, or about the same?

• Check blood pressure and heart rate regularly. Talk with healthcare provider.

• If taking for an enlarged prostate, have a rectal exam (to check prostate gland) and blood work (PSA test). Talk with healthcare provider.

How should I store this medicine?

• Store at room temperature.

• Protect from moisture. Do not store in a bathroom or kitchen.

General statements

• If you have a life-threatening allergy, wear allergy identification at all times.

• Do not share your medicine with others and do not take anyone else's medicine.

• Keep all medicine out of the reach of children and pets.

• Most medicines can be thrown away in household trash after mixing with coffee grounds or kitty litter and sealing in a plastic bag.

• Keep a list of all your medicines (prescription, natural products, supplements, vitamins, over-the-counter) with you. Give this list to healthcare provider (doctor, nurse, nurse practitioner, pharmacist, physician assistant).

• Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088 or in Canada to Health Canada's Canada Vigilance Program at 1-866-234-2345.

• Talk with healthcare provider before starting any new medicine, including over-the-counter, natural products, or vitamins.

Created: 2006-10-13 12:07:14.0

Modified: 2010-03-25 11:39:30.0

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