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Doxazosin: Uses, Dosage, Side Effects, and More
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Doxazosin Mesylate is a prescription medication used to treat high blood pressure and symptoms of benign prostatic hyperplasia (BPH). It relaxes blood vessels to improve circulation and reduces muscle tension in the prostate and bladder neck to ease urination. Cardura lowers blood pressure, reducing the risk of heart attack, stroke, and kidney problems, while improving urinary flow in men with BPH.
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Controlled Substance Warning
Doxazosin is not a controlled substance. It must be taken exactly as prescribed, with the first dose typically at bedtime to prevent dizziness or fainting from a sudden drop in blood pressure. Patients should stand up slowly to minimize lightheadedness.
Drug Facts
Generic Name
Doxazosin Mesylate
Brand Names
Cardura, Cardura XL
Drug Type
Alpha-1 adrenergic blocker (antihypertensive / BPH treatment)
Dosage Forms
Tablets (immediate-release, extended-release)
Typical Dosage
- Hypertension: Start with 1 mg once daily, usually at bedtime; may increase gradually to 2–8 mg once daily as needed.
- Benign prostatic hyperplasia (BPH): Start with 1 mg once daily; may increase to 4–8 mg once daily depending on response.
- Extended-release (Cardura XL): Usually started at 4 mg once daily with breakfast; maximum dose 8 mg daily.
- Dosing should be individualized and adjusted by a healthcare provider.
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Disclaimer
The information provided on this page is for general informational purposes only and is not intended as medical advice. Always consult with a licensed healthcare provider before starting, stopping, or changing any medication regimen. While Invictus strives to provide accurate and up-to-date information, individual health conditions and circumstances vary. The prices, availability, and descriptions of all medications on this page are subject to change.
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