Cardura

(Doxazosin Mesylate)

Cardura is a brand-name alpha blocker prescribed to adults who have an enlarged prostate (benign prostatic hyperplasia, BPH) or high blood pressure (hypertension). It is also available under the trade name Cardura XL, an extended-release tablet approved by the FDA solely for the treatment of BPH. The normal dosage is one pill taken orally once a day. Side effects include low blood pressure, disorientation, and weariness.

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Brand Versions

Cardura Prescription Required

Strength
1mg
Country
United Kingdom
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Cardura Prescription Required

Strength
2mg
Country
Turkey
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Also available from Canada and United Kingdom
Strength
2mg
Country
Canada
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Strength
2mg
Country
United Kingdom
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Cardura Prescription Required

Strength
4mg
Country
Turkey
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Generic Versions
What are generics?

Doxazosin Mesylate Prescription Required

Strength
1mg
Country
United Kingdom
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Also available from Canada
Strength
1mg
Country
Canada
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Doxazosin Mesylate Prescription Required

Strength
2mg
Country
United Kingdom
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Also available from Canada
Strength
2mg
Country
Canada
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Doxazosin Mesylate Prescription Required

Strength
4mg
Country
United Kingdom
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Also available from Canada
Strength
4mg
Country
Canada
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Doxazosin Mesylate Prescription Required

Strength
8mg
Country
United States
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Currently Unavailable

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Important information about Cardura

How does Cardura work?

The active ingredient in Cardura is doxazosin mesylate, which is an alpha-1 receptor blocker. Its mechanism of action works as follows. For BPH or benign prostatic hyperplasia, it relaxes specific muscles in the bladder and prostate. Urine flow is facilitated by this relaxation, which lessens urination issues. It also relaxes your blood vessels, which allows blood to circulate more easily throughout your body. As a result of this relaxation, it lowers your blood pressure.

How do you use Cardura?

Follow all directions given to you by your doctor and read all documents provided, including the full Prescribing Information, FDA-approved product Labeling, Instructions for Use, and Medication Guide before using Cardura. However, the following is a synopsis of the general guidelines for the use of Cardura:

  • In addition to lowering blood pressure, Cardura can cause lightheadedness or fainting, particularly when taken for the first time or repeated.
  • You may need to have your prostate or blood pressure checked frequently while using Cardura as well as get tested for prostate cancer before starting your first dose.
  • Even if you feel better, continue taking this medication if you are receiving treatment for high blood pressure. Symptoms of high blood pressure are frequently absent. For the rest of your life, you might need to take blood pressure medication.

What are the side effects of Cardura?

The most common side effects of Cardura seen in clinical trials include:

  • Fatigue or drowsiness.
  • Dizziness.
  • Respiratory tract infection.
  • Low blood pressure (hypotension).
  • Abdominal pain.
  • Chest pain (angina).

Some individuals may experience serious side effects while using Cardura. These side effects may require immediate medical attention. If you experience any of the following, contact your healthcare provider or seek emergency medical help:

  • A painful erectile dysfunction that lasts more than four hours called priapism.
  • Allergic reaction to Cardura including hives, and skin rash.

These are not all of the possible side effects of $Drugname. You should always seek medical advice from your healthcare provider for any questions or concerns about your medical condition or treatment. Read all patient information, medication guides, or drug information sheets that come with this medication. You can also report adverse effects to the Food and Drug Administration at www.fda.gov/medwatch or 1-800-FDA-1088.

What are the warnings or precautions for Cardura?

Before starting Cardura, it is crucial to discuss any existing health conditions with your healthcare provider. You should be sure that your healthcare provider is aware of all your medical conditions, including if you have:

  • Gastrointestinal blockage.
  • Extreme constipation.
  • Liver disease.
  • Low blood pressure or you may experience a sudden drop of blood pressure when first starting your initial dose.
  • Heart failure or palpitations.
  • An allergy to doxazosin or related medications such as alfuzosin (Uroxatral), prazosin (Minipress), silodosin (Rapaflo), tamsulosin (Flomax), or terazosin (Hytrin), you should avoid using Cardura.
  • Having cataract surgery or eye surgery. Inform your eye surgeon that you are taking this medication in advance. Unless instructed to do so by your surgeon, do not discontinue taking Cardura before surgery. A condition called Intraoperative Floppy Iris Syndrome (IFIS) can happen during cataract surgery if you take or have taken alpha-blockers.

Are there any contraindications with Cardura?

An allergy to Cardura or any other hypersensitivity to doxazosin or other quinazolines.

How long does it take Cardura to work?

After an oral dose, doxazosin blood levels peak two to three hours later. Within one to six hours of taking a dose of doxazosin, the blood pressure-lowering impact starts. As soon as one week after starting doxazosin, there have been reports of both an improvement in urine flow and relief from BPH symptoms.

What interacts with Cardura?

When Cardura is taken with other prescription drugs, over-the-counter medications, vitamins, and supplements, it may change how they work or increase the frequency or severity of side effects. Make sure that you tell your healthcare professional about anything that you are taking to avoid any negative drug interactions, including:

  • Certain antibiotics.
  • Certain antidepressants.
  • Some medications for AIDS or HIV.
  • Phosphodiesterase-5 (PDE-5) inhibitors like sildenafil (Viagra), which are used for erectile dysfunction.

What doses of Cardura are available?

Doxazosin (Cardura) tablet for quick release:

BPH, or benign prostatic hyperplasia: One milligram taken orally once daily is the usual initial dosage. Eight milligrams once daily is the maximum dosage.

High blood pressure: One milligram taken orally once daily is the usual starting dosage. 16 mg once daily is the maximum dosage.

Doxazosin extended-release tablet, Cardura XL:

BPH, or benign prostatic hyperplasia: 4 mg taken orally once daily with breakfast is the usual first dosage. Eight milligrams once daily is the maximum dosage.

How do I store Cardura?

Store at room temperature and keep out of reach of children.

Which pharmaceutical company manufactures Cardura?

Pfizer is the pharmaceutical company that manufactures Cardura.

Is there a generic version of Cardura?

There are several lower-cost generic versions available of Cardura.

How do I stop taking Cardura?

If you wish to stop taking doxazosin, consult your physician. Stopping abruptly may worsen your condition. Your doctor might be able to recommend an alternative medication for your enlarged prostate or high blood pressure if you are uncomfortable with the adverse effects.

Can Cardura be used if I am pregnant?

Talk to your doctor if you are already pregnant or if you have any plans to become pregnant. They will know or recommend what is best for you.

Can Cardura be used if I am breast feeding?

Talk to your doctor if you are already breastfeeding or if you have any plans to breastfeed. They will know or recommend what is best for you.

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Important information about buying Cardura from UniversalDrugstore™

What happens after I place my order for Cardura with Universal Drugstore?

Once you complete your order, we process, verify, and dispatch your medication. You’ll receive email updates at each stage, including tracking details once your order ships. If any additional documentation is needed (such as a valid prescription), we’ll contact you promptly. Once approved, your order is charged and delivered directly to your doorstep.

How long does it take to process and deliver my order for Cardura?

Orders are typically processed within 1–3 business days once all required documents are received and approved. Standard delivery times range from 10–18 business days, depending on your location.

Can I track my order of Cardura?

Yes! Once your medication ships, you will receive an email with tracking information so you can monitor your shipment every step of the way.

What should I do if there is an issue with my order for Cardura?

Our Customer Care team is available 24/7 to assist with any order-related concerns or questions. If you experience delays, missing items, or need support, contact us using the details provided in your confirmation email.

How is my medication packaged to ensure privacy and safety?

All orders are shipped in discreet, plain packaging to protect your privacy. Medications are securely packaged to prevent damage and ensure they arrive in top condition.

Does Universal Drugstore ship medications that require refrigeration or special handling?

Yes. We use cold-chain shipping methods to safely transport temperature-sensitive medications, ensuring they maintain proper storage conditions throughout delivery.

What are the shipping costs, and does Universal Drugstore offer free delivery?

Shipping costs vary depending on your location and shipping method. Free shipping promotions may be available—check the checkout page for the latest offers. Orders above $100 going to a US destination will receive free shipping.

Does Universal Drugstore accept Medicare or Medicaid for prescriptions?

Currently, we do not bill Medicare or Medicaid directly. However, we provide detailed receipts and documentation that you can submit to your insurance provider for potential reimbursement.

Can I use private health insurance to cover my prescription from Universal Drugstore?

Universal Drugstore does not bill private health insurance directly, but we provide a detailed invoice that you can submit to your insurer for possible reimbursement. Many insurers will accept Unievrsal Drugstore’s documents, but if you have any questions, check with your insurance company prior to purchasing.

How secure is my payment information when ordering from Universal Drugstore?

We use advanced SSL encryption and secure payment processing to ensure that all transactions are 100% protected against fraud and unauthorized access.

Can I order a generic alternative to Cardura?

Universal Drugstore offers many generic alternatives that provide the same active ingredients at a lower cost. Search for your medication and compare pricing for generic vs. brand-name options. Generic availability depends on the medication.

Do I need a prescription to order Cardura?

If your medication requires a prescription, you must upload it online, via email, or fax. Over-the-counter (OTC) medications do not require a prescription. All prescription medication purchases require a valid and approved prescription.

Can I order multiple medications at once?

Yes! You can add multiple medications to your cart, including prescription, OTC, and pet medications, and complete your purchase in a single checkout process.

Can I refill my prescription through Universal Drugstore?

Yes! If your prescription includes refills, you can reorder quickly by logging into your account and selecting your medication for a hassle-free refill process. Always refill your medication proactively and ontime, to ensure you do not run out of important medication.

Does Universal Drugstore offer discounts or price matching?

Yes! We offer:

  • Up to 80% savings on medications
  • Price match guarantee – we’ll match competitor pricing on qualifying medications
  • 10% off your first order for new customers

How can I contact Universal Drugstore for additional support?

We offer 24/7 customer support via phone, email, and chat. Visit our Contact Us page for assistance with ordering, shipping, or medication questions.

Important

The information, including but not limited to, text, graphics, images and other material contained on this website are for informational purposes to increase health awareness only. No material on this site is intended to be a substitute for professional medical advice, diagnosis or treatment. 



Always seek the advice of your physician or other qualified health care provider with any questions you may have regarding a medical condition or treatment and before undertaking a new health care regimen, and never disregard professional medical advice or delay in seeking it because of something you have read on this website.