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Jalyn

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Jalyn

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 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 Structural Formula Illustration

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 molecularweight of tamsulosin hydrochloride is 444.97.  Its structural formula is:

Tamsulosin 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 possible side effects of dutasteride and tamsulosin (Jalyn)?

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.

Stop taking this medication and call your doctor at once if you have a serious side effect such as:

  • feeling like you might pass out; or
  • penis erection that is painful or lasts 4 hours or longer.

Less serious side effects may include:

  • decreased libido (sex drive);
  • decreased amount of semen released during sex;
  • impotence (trouble getting or keeping an...

Read All Potential Side Effects and See Pictures of Jalyn »

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: 5/13/2013
This monograph has been modified to include the generic and brand name in many instances.

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Jalyn - User Reviews

Jalyn User Reviews

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Report Problems to the Food and Drug Administration

 

You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.


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