Doxazosin is the generic equivalent of the brand-name drug Doxazosin. Licensed pharmacies, clinics, doctor's offices, and veterinary practices can source wholesale Doxazosin through Premier Pharma with same-day fulfillment on in-stock SKUs.
FDA Drug Information
Indications & Usage
1 INDICATIONS AND USAGE Doxazosin tablets, USP are an alpha 1 adrenergic antagonist indicated for: Signs and symptoms of Benign Prostatic Hyperplasia (BPH) Treatment of Hypertension 1.1 Benign Prostatic Hyperplasia (BPH) Doxazosin tablets, USP are indicated for the treatment of the signs and symptoms of BPH. 1.2 Hypertension Doxazosin tablets, USP are indicated for the treatment of hypertension, to lower blood pressure. Lowering blood pressure reduces the risk of fatal and nonfatal cardiovascular events, primarily strokes and myocardial infarctions. These benefits have been seen in controlled trials of antihypertensive drugs from a wide variety of pharmacologic classes, including this drug.…
Adverse Reactions
6 ADVERSE REACTIONS The most commonly reported adverse reactions from clinical trials are Fatigue, malaise, hypotension, and dizziness. ( 6.1 ) To report SUSPECTED ADVERSE REACTIONS, contact Accord Healthcare Inc. at 1-866-941-7875 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch . 6.1 Clinical Trials Experience Because clinical trials are conducted under widely varying conditions, adverse reaction rates observed in the clinical trials of a drug cannot be directly compared to rates in the clinic…
Drug Interactions
7 DRUG INTERACTIONS Strong cytochrome P450 (CYP) 3A inhibitors may increase exposure to doxazosin and increased risk of hypotension ( 7.1 ) Concomitant administration of doxazosin with a phosphodiesterase-5 (PDE-5) inhibitor can result in additive blood pressure lowering effects and symptomatic hypotension. ( 7.2 ) 7.1 CYP 3A Inhibitors In vitro studies suggest that doxazosin is a substrate of CYP 3A4. Strong CYP3A inhibitors may increase exposure to doxazosin. Monitor blood pressure and for sym…
Dosage & Administration
2 DOSAGE AND ADMINISTRATION For the treatment of BPH: Initiate therapy at 1 mg once daily. Dose may be titrated at 1 to 2-week intervals, up to 8 mg once daily. ( 2.2 ) For the treatment hypertension: Initiate therapy at 1 mg once daily. Dose may be titrated as needed, up to 16 mg once daily. ( 2.3 ) 2.1 Dosing Information Following the initial dose and with each dose increase of doxazosin tablets, monitor blood pressure for at least 6 hours following administration. If doxazosin tablets adminis…
Patient Counseling Information
17 PATIENT COUNSELING INFORMATION Advise the patient to read the FDA-approved patient labeling (Patient Information). Postural Hypotension Advise patients of the possibility of syncopal and orthostatic symptoms, especially at the initiation of therapy, and urged to avoid driving or hazardous tasks for 24 hours after the first dose, after a dosage increase, and after interruption of therapy when treatment is resumed. Advise patients to report symptoms to their healthcare provider. Priapism Advise patients of the possibility of priapism and to seek immediate medical attention if symptoms occur.…
Source: FDA. For professional use only. Not a substitute for prescribing information.
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