Cardura
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Cardura
CARDURA®
(doxazosin mesylate) Tablets
DRUG DESCRIPTION
CARDURA® (doxazosin mesylate) is a quinazoline compound that is a selective inhibitor of the alphai subtype of alpha-adrenergic receptors. The chemical name of doxazosin mesylate is l-(4-amino-6,7-dimethoxy-2-quinazolinyl)-4-(l,4-benzodioxan-2-ylcarbonyl)piperazine methanesulfonate. The empirical formula for doxazosin mesylate is C23H25N5O5 • CH4O3S and the molecular weight is 547.6. It has the following structure:
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CARDURA (doxazosin mesylate) is freely soluble in dimethylsulfoxide, soluble in dimethylformamide, slightly soluble in methanol, ethanol, and water (0.8% at 25 °C), and very slightly soluble in acetone and methylene chloride. CARDURA (doxazosin mesylate) is available as colored tablets for oral use and contains 1 mg (white), 2 mg (yellow), 4 mg (orange) and 8 mg (green) of doxazosin as the free base.
The inactive ingredients for all tablets are: microcrystalline cellulose, lactose, sodium starch glycolate, magnesium stearate and sodium lauryl sulfate. The 2 mg tablet contains D & C yellow 10 and FD & C yellow 6; the 4 mg tablet contains FD & C yellow 6; the 8 mg tablet contains FD & C blue 10 and D & C yellow 10.
What are the possible side effects of doxazosin (Cardura, Cardura XL)?
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.
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...
Read All Potential Side Effects and See Pictures of Cardura »
What are the precautions when taking doxazosin mesylate (Cardura)?
Before taking doxazosin, tell your doctor or pharmacist if you are allergic to it; or to other alpha blockers such as prazosin and terazosin; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.
Before using this medication, tell your doctor or pharmacist your medical history, especially of: prostate cancer, heart disease (e.g., congestive heart failure, angina, heart attack in last 6 months), liver disease, kidney disease.
To minimize dizziness and lightheadedness, get up slowly when rising from a sitting or lying position, especially when you first start taking this drug or whenever your doctor changes your dose. Also, when you first start taking...
Last reviewed on RxList: 11/22/2010
This monograph has been modified to include the generic and brand name in many instances.
Additional Cardura Information
Cardura - User Reviews
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