terazosin, Hytrin

  • Pharmacy Author:
    Omudhome Ogbru, PharmD

    Dr. Ogbru received his Doctorate in Pharmacy from the University of the Pacific School of Pharmacy in 1995. He completed a Pharmacy Practice Residency at the University of Arizona/University Medical Center in 1996. He was a Professor of Pharmacy Practice and a Regional Clerkship Coordinator for the University of the Pacific School of Pharmacy from 1996-99.

  • Medical and Pharmacy Editor: Jay W. Marks, MD
    Jay W. Marks, MD

    Jay W. Marks, MD

    Jay W. Marks, MD, is a board-certified internist and gastroenterologist. He graduated from Yale University School of Medicine and trained in internal medicine and gastroenterology at UCLA/Cedars-Sinai Medical Center in Los Angeles.

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GENERIC NAME: terazosin

BRAND NAME: Hytrin (discontinued brand)

DRUG CLASS AND MECHANISM: Terazosin belongs to a class of medications called alpha 1 blockers which relax the smooth muscles of the arteries, the prostate, and the bladder neck. Other alpha blockers include doxazosin (Cardura), alfuzosin (Uroxatral), tamsulosin (Flomax), and prazosin (Minipress). Relaxing the smooth muscles of the arteries lowers blood pressure. Relaxing the smooth muscles around the bladder neck relieves urinary obstruction caused by an enlarged prostate (prostate hypertrophy). Terazosin relaxes the smooth muscles of the bladder neck and the prostate, increasing urine flow. The FDA approved terazosin in 1987.

PRESCRIBED FOR: Terazosin is used to treat the symptoms of urinary obstruction due to an enlarged prostate caused by benign prostatic hypertrophy (BPH). Terazosin also is used alone or in combination with another blood pressure medication to treat high blood pressure.

SIDE EFFECTS: Commonly reported side effects include:

Medically Reviewed by a Doctor on 1/21/2015

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