Jalyn (Dutasteride/Tamsulosin)

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Jalyn Brand
Dosage Quantity & Price
Dutasteride/Tamsulosin (Generic alternate to Jalyn) Generic
Dosage Quantity & Price
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Table of contents:

Jalyn is a prescription medication that is used to treat the symptoms of enlarged prostate (benign prostatic hyperplasia or BPH) in men. Jalyn should not be used by women or children due to potential risks of exposure.

Jalyn contains a combination of dutasteride, a 5α-reductase inhibitor, and tamsulosin, an alpha-adrenergic antagonist. Dutasteride works by reducing the size of the enlarged prostate while tamsulosin relaxes the muscles in the bladder and prostate to improve urine flow.

Uses and Dosage

Jalyn comes as capsules to take one by mouth once daily, 30 minutes after the same meal each day. Remember to swallow it whole and avoid crushing, chewing, or opening the capsules.

Jalyn can cause a sudden drop in blood pressure, leading to dizziness or fainting. This is more likely when you first start taking the medication or after you stop and then restart treatment. During these times, be mindful of situations where fainting could result in injury. Although it may take up to 4 weeks to notice an improvement in symptoms, inform your doctor if your symptoms do not improve or get worse.

Side effect

Common Side Effects of Jalyn (Dutasteride/Tamsulosin):

  • Breast enlargement and tenderness
  • Dizziness
  • Ejaculation problems
  • Lower sex drive
  • Trouble keeping an erection (impotence)

Serious Side Effects of Jalyn (Dutasteride/Tamsulosin):

  • Blistering, flaking, or peeling of the skin
  • Blurred vision
  • Chest pain
  • Cough or hoarseness
  • Difficulty with breathing
  • Drop in blood pressure upon standing (orthostatic hypotension)
  • Fever
  • Lower back or side pain
  • Painful or difficult urination
  • Painful or prolonged erection of the penis
  • Sweating
  • Trouble breathing
  • Unusual tiredness or weakness

Form and strength

Jalyn (Dutasteride/Tamsulosin) is available in the following forms and strength:

Jalyn: Capsule

  • 0.5/0.4 mg

Dutasteride/Tamsulosin: Prolonged Release Capsule

  • 0.5/0.4 mg


  • Jalyn may cause a drop in blood pressure upon standing. Caution should be used when taking cimetidine-containing products with Jalyn.
  • Jalyn may cause priapism, a painful and serious condition where an erection lasts for a long time.
  • Dutasteride in Jalyn may cause birth defects in male fetuses.
  • Prostate cancer and screenings are important to consider while taking Jalyn.
  • Floppy iris syndrome may occur during cataract surgery in patients taking Jalyn.
  • Jalyn may cause dizziness or fainting, especially in patients who are already taking blood pressure medication or who have low blood pressure. Use caution when driving or operating heavy machinery, as Jalyn can cause dizziness or drowsiness.
  • Liver problems may occur while taking Jalyn.
  • Jalyn may cause a decrease in semen volume during sex.
  • Jalyn may increase the risk of high-grade prostate cancer.
  • Symptoms of an allergic reaction, such as rash, itching, swelling, or trouble breathing, should be reported to a healthcare provider.
  • Jalyn may interact with other medications and should be used with caution in patients taking certain medications.
  • Jalyn may worsen urinary tract infections or urinary symptoms caused by other conditions.

Frequently Asked Questions (FAQ)

How long will it take Jalyn (dutasteride / tamsulosin) to work?

It can take 3 months to see improvement in your BPH symptoms. Continue to take Jalyn every day even if you do not see improvement in your symptoms immediately.

Can I donate blood if I'm taking Jalyn?

No, you shouldn't donate blood until at least 6 months after your last dose of Jalyn. This is to prevent any pregnant woman who receives the blood transfusion from being exposed to Jalyn. It can cause damage to an unborn, male baby's genitals.

Can Jalyn be used by women?

Jalyn is not indicated for use in women and should not be taken by women who are pregnant or breastfeeding.

Can Jalyn cause a decrease in semen volume during sex?

Yes, Jalyn may cause a decrease in semen volume during sex.


It's important to purchase Jalyn from verified Canadian pharmacy.

Additional information

Generic name:



Capsule, Prolonged Release Capsule



Quantities Available:

30, 90, 100