Hytrin (Terazosin Hcl) Drug Information: Description, User Reviews, Drug Side Effects, Interactions

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February 7, 2012

Hytrin

Urinary Incontinence »

Urinary incontinence (UI) in men facts

*Urinary incontinence (UI) in men facts Medically Edited by: Melissa Conrad Stöppler, MD

The definition of urinary incontinence in men is the unintentional loss of urine. Weak bladder muscles, overactive bladder muscles, certain prostate conditions, and nerve damage are just some of the possible underlying causes of urinary incontinence in men.
There are different types of urinary incontinence in men, including stress incontinence, urge incontinence, and overflow incontinence.
Diagnosis of urinary incontinence in men may involve a physical exam, an ultrasound, urodynamic testing, and tests including an electroencephalogram (EEG) and an electromyogram (EMG). The doctor will also take a medical history and may recommend keeping a bladder diary.
Treatment of urinary incontinence in men may include behavioral treatments, like bladder training and Kegel exercises, medication, surgery, or...

Read the Urinary Incontinence article »

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HYTRIN®
(terazosin hydrochloride)

DRUG DESCRIPTION

HYTRIN (terazosin hydrochloride), an alpha-1-selective adrenoceptor blocking agent, is a quinazoline derivative represented by the following chemical name and structural formula:

(RS)-Piperazine, 1-(4-amino-6,7-dimethoxy-2-quinazolinyl)-4-[(tetra-hydro-2-furanyl)carbonyl]-, monohydrochloride, dihydrate.

HYTRIN®
(terazosin hydrochloride) Structural Formula Illustration

Terazosin hydrochloride is a white, crystalline substance, freely soluble in water and isotonic saline and has a molecular weight of 459.93. HYTRIN tablets (terazosin hydrochloride tablets) for oral ingestion are supplied in four dosage strengths containing terazosin hydrochloride equivalent to 1 mg, 2 mg, 5 mg, or 10 mg of terazosin.

Inactive Ingredients

1 mg tablet: corn starch, lactose, magnesium stearate, povidone and talc.

2 mg tablet: corn starch, FD&C Yellow No. 6, lactose, magnesium stearate, povidone and talc.

5 mg tablet: corn starch, iron oxide, lactose, magnesium stearate, povidone and talc.

10 mg tablet: corn starch, D&C Yellow No. 10, FD&C Blue No. 2, lactose, magnesium stearate, povidone and talc.

What are the possible side effects of terazosin (Hytrin)?

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Call your doctor at once if you have any of these serious side effects:

fast or pounding heartbeats;
feeling light-headed, fainting;
swelling in your hands, ankles, or feet; or
penis erection that is painful or lasts 4 hours or longer.

Less serious side effects may include:

weakness;

Read All Potential Side Effects and See Pictures of Hytrin »

What are the precautions when taking terazosin hcl (Hytrin)?

Before taking terazosin, tell your doctor or pharmacist if you are allergic to it; or to other alpha-blockers (e.g., doxazosin, prazosin); or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.

Before using this medication, tell your doctor or pharmacist your medical history, especially of: low blood pressure/fainting, prostate cancer, other prostate/bladder problems, liver disease.

This drug may make you dizzy or drowsy. Do not drive, use machinery, or do any activity that requires alertness until you are sure you can perform such activities safely. You should avoid driving or hazardous tasks for 12 hours after the first dose, after your dose is...

Read All Potential Precautions of Hytrin »

Last reviewed on RxList: 12/15/2010
This monograph has been modified to include the generic and brand name in many instances.