Jalyn (Dutasteride and Tamsulosin Hydrochloride Capsules) Drug Information: Description, User Reviews, Drug Side Effects, Interactions

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May 27, 2012

Jalyn

Benign Prostatic Hyperplasia »

What is the prostate gland?

The prostate is a small organ about the size of a walnut. It lies below the bladder (where urine is stored) and surrounds the urethra (the tube that carries urine from the bladder). The prostate makes a fluid that helps to nourish sperm as part of the semen (ejaculatory fluid).

Prostate problems are common in men 50 and older. Most can be treated successfully without harming sexual function. A urologist is a specialist in diseases of the urinary system, including diagnosing and treating problems of the prostate gland.

How does the doctor detect prostate enlargement?

A doctor usually can detect an enlarged prostate by rectal exam. The doctor also may examine the urethra, prostate, and bladder using a cytoscope, an instrument that is inserted through the penis.

What is benign prostatic hyperplasia?

Benign prostatic hyperplasia is nonmalignant...

Read the Benign Prostatic Hyperplasia article »

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Jalyn

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JALYN
(dutasteride and tamsulosin hydrochloride) Capsules

DRUG DESCRIPTION

JALYN (dutasteride and tamsulosin hydrochloride) Capsules contain dutasteride (a selective inhibitor of both the type 1 and type 2 isoforms of steroid 5 alpha-reductase, an intracellular enzyme that converts testosterone to dihydrotestosterone (DHT) and tamsulosin (an antagonist of alpha1A-adrenoceptors in the prostate). Each JALYN Capsule contains the following:

One dutasteride oblong, opaque, dull-yellow soft gelatin capsule, containing 0.5 mg of dutasteride dissolved in a mixture of butylated hydroxytoluene and mono-di-glycerides of caprylic/capric acid. The inactive ingredients in the soft-gelatin capsule shell are ferric oxide (yellow), gelatin (from certified BSE-free bovine sources), glycerin, and titanium dioxide.
Tamsulosin hydrochloride white to off-white pellets, containing 0.4 mg tamsulosin hydrochloride and the inactive ingredients: methacrylic acid copolymer dispersion, microcrystalline cellulose, talc, and triethyl citrate.

The above components are encapsulated in a hard-shell capsule made with the inactive ingredients of carrageenan, FD&C yellow 6, hypromellose, iron oxide red, potassium chloride, titanium dioxide, and imprinted with “GS 7CZ” in black ink.

Dutasteride

Dutasteride is a synthetic 4-azasteroid compound chemically designated as (5α,17β)-N-{2,5 bis(trifluoromethyl)phenyl}-3-oxo-4-azaandrost-1-ene-17-carboxamide. The empirical formula of dutasteride is C₂₇H₃₀F₆N₂O₂, representing a molecular weight of 528.5 with the following structural formula:

Dutasteride is a white to pale yellow powder with a melting point of 242° to 250°C. It is soluble in ethanol (44 mg/mL), methanol (64 mg/mL), and polyethylene glycol 400 (3 mg/mL), but it is insoluble in water.

Tamsulosin

Tamsulosin hydrochloride is a synthetic compound chemically designated as (-)-(R)-5-[2-[[2-(o-Ethoxyphenoxy)ethyl]amino]propyl]-2-methoxybenzenesulfonamide, monohydrochloride.

The empirical formula of tamsulosin hydrochloride is C₂₀H₂₈N₂O₅S•HCl. The molecular weight of tamsulosin hydrochloride is 444.97. Its structural formula is:

Tamsulosin hydrochloride Structural Formula Illustration

Tamsulosin hydrochloride is a white or almost white crystalline powder that melts with decomposition at approximately 234°C. It is sparingly soluble in water and slightly soluble in methanol, ethanol, acetone, and ethyl acetate.

What are the precautions when taking dutasteride and tamsulosin hydrochloride capsules (Jalyn)?

Before taking this product, tell your doctor or pharmacist if you are allergic to dutasteride or tamsulosin; or to finasteride; 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.

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. Limit alcoholic beverages.

To reduce the risk of dizziness, lightheadedness, or fainting, get up slowly when rising from a sitting or lying position, especially when you first start taking this drug. If dizziness...

Read All Potential Precautions of Jalyn »

Last reviewed on RxList: 6/17/2011
This monograph has been modified to include the generic and brand name in many instances.