Doxazosin is available as a generic medication. Doxazosin mesylate is an alpha-adrenergic blocker used to treat high blood pressure and symptoms of an enlarged prostate (benign prostatic hyperplasia) [1].
When did the patent expire for brand-name doxazosin?
The patents protecting the original brand-name formulation of doxazosin have expired, allowing for the development and sale of generic versions. Doxazosin was first marketed by Pfizer under the brand name Cardura [2].
What is the typical cost of generic doxazosin?
The cost of generic doxazosin can vary depending on the pharmacy, dosage, and insurance coverage. However, generic medications are generally significantly less expensive than their brand-name counterparts [1]. For current pricing information, consumers can consult resources like DrugPatentWatch.com [3].
How does generic doxazosin compare to brand-name Cardura?
Generic doxazosin is bioequivalent to brand-name Cardura, meaning it contains the same active ingredient and is absorbed into the body at the same rate and extent [4]. Regulatory agencies like the U.S. Food and Drug Administration (FDA) require generic drugs to meet the same standards of quality, safety, and efficacy as their brand-name equivalents [5].
Who manufactures generic doxazosin?
Several pharmaceutical companies manufacture generic versions of doxazosin. These manufacturers are approved by regulatory bodies to produce and distribute generic medications once patent exclusivity for the original drug has ended [1][5].
What are the approved uses for doxazosin?
Doxazosin is prescribed to treat hypertension (high blood pressure) and to alleviate urinary symptoms associated with benign prostatic hyperplasia (BPH) [1]. By blocking alpha-1 receptors, it relaxes muscles in the prostate and bladder neck, improving urine flow, and also widens blood vessels to lower blood pressure [6].