Doxazosin

47 interactions 267 cited references

Also sold as: Cardura Cardura® Cardura® XL

About Doxazosin

Doxazosin is an alpha-blocker used to treat enlarged prostate symptoms and high blood pressure. Read the full Doxazosin drug information page →

Medically reviewed by Dr. Brian Staiger, PharmD, BCPS · Updated Aug 10, 2026 · Editorial policy · Data sources

Sources: FDA prescribing information (Structured Product Labeling), the published literature cited in each entry, DDInter 2.0 (a major open-access drug-interaction database), and legacy DrugBank interaction data distributed by the NIH's RxNav service (decommissioned in 2024) — analyzed and reviewed by our pharmacist team. How we build this library →

Most serious with: Boceprevir Melphalan Injection Iloperidone Melphalan Milsaperidone Nifedipine

1 Contraindicated 11 Major 35 Moderate

All (47) Contraindicated (1) Major (11) Moderate (35)

Moderate

Doxazosin Asenapine Transdermal Patch Secuado An increased risk of hypotension Details Doxazosin Atenolol Tenormin An exaggerated hypotensive response to the first dose of the alpha blocker Details Doxazosin Acebutolol Sectral® An exaggerated hypotensive response to the first dose of the alpha blocker Details Doxazosin Avanafil Stendra Increased risk of hypotension Details Doxazosin Betaxolol Betoptic S An exaggerated hypotensive response to the first dose of the alpha blocker Details Doxazosin Betaxolol Ophthalmic Betoptic® An exaggerated hypotensive response to the first dose of the alpha blocker Details Doxazosin Bisoprolol Zebeta® An exaggerated hypotensive response to the first dose of the alpha blocker Details Doxazosin Alprenolol An exaggerated hypotensive response to the first dose of the alpha blocker Details Doxazosin Asenapine Saphris An increased risk of hypotension Details Doxazosin Bevantolol An exaggerated hypotensive response to the first dose of the alpha blocker Details Doxazosin Bucindolol An exaggerated hypotensive response to the first dose of the alpha blocker Details Doxazosin Carteolol An exaggerated hypotensive response to the first dose of the alpha blocker Details Doxazosin Carvedilol Coreg An exaggerated hypotensive response to the first dose of the alpha blocker Details Doxazosin Celiprolol An exaggerated hypotensive response to the first dose of the alpha blocker Details Doxazosin Dilevalol An exaggerated hypotensive response to the first dose of the alpha blocker Details Doxazosin Esmolol Brevibloc An exaggerated hypotensive response to the first dose of the alpha blocker Details Doxazosin Labetalol Normodyne® An exaggerated hypotensive response to the first dose of the alpha blocker Details Doxazosin Levobunolol Betagan An exaggerated hypotensive response to the first dose of the alpha blocker Details Doxazosin Ma Huang Reduced effectiveness of alpha-1 adrenergic blockers Details Doxazosin Mepindolol An exaggerated hypotensive response to the first dose of the alpha blocker Details Doxazosin Metipranolol An exaggerated hypotensive response to the first dose of the alpha blocker Details Doxazosin Metoprolol Kapspargo An exaggerated hypotensive response to the first dose of the alpha blocker Details Doxazosin Midodrine Orvaten® Decreased midodrine effectiveness Details Doxazosin Nadolol Corgard An exaggerated hypotensive response to the first dose of the alpha blocker Details Doxazosin Nebivolol Bystolic An exaggerated hypotensive response to the first dose of the alpha blocker Details Doxazosin Oxprenolol An exaggerated hypotensive response to the first dose of the alpha blocker Details Doxazosin Penbutolol Levatol® An exaggerated hypotensive response to the first dose of the alpha blocker Details Doxazosin Pindolol Visken® An exaggerated hypotensive response to the first dose of the alpha blocker Details Doxazosin Propranolol Hemangeol An exaggerated hypotensive response to the first dose of the alpha blocker Details Doxazosin Sotalol Betapace An exaggerated hypotensive response to the first dose of the alpha blocker Details Doxazosin Talinolol An exaggerated hypotensive response to the first dose of the alpha blocker Details Doxazosin Tertatolol An exaggerated hypotensive response to the first dose of the alpha blocker Details Doxazosin Timolol Betimol An exaggerated hypotensive response to the first dose of the alpha blocker Details Doxazosin Yohimbine Reduced alpha-1 adrenergic blocker effectiveness Details Doxazosin Levobunolol Ophthalmic AKBeta® An exaggerated hypotensive response to the first dose of the alpha blocker Details

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