Prostate Home > Jalyn Sexual Side Effects

During treatment with Jalyn (dutasteride/tamsulosin), sexual side effects can occur. These sexual problems may include a decreased sex drive, ejaculation problems, or impotence. If you develop any sexual side effects while taking this medication, let your healthcare provider know so he or she can recommend a medication to treat your sexual problem or prescribe another medication to treat your enlarged prostate.

An Overview of Jalyn and Sexual Side Effects

Jalyn™ (dutasteride/tamsulosin) is a prescription medication licensed to treat an enlarged prostate, known medically as benign prostatic hyperplasia, benign prostatic hypertrophy, or BPH. Jalyn contains a combination of two medicines -- dutasteride (Avodart®) and tamsulosin (Flomax®).
Just like all medications, Jalyn has possible side effects. Certain side effects can affect a person's sexual well-being, which can be very distressing. Some of these possible sexual side effects include:

Jalyn and Ejaculation Problems

The term ejaculation problem is used to describe a variety of problems that may occur with ejaculation. Some of these problems include:
  • Retrograde ejaculation -- when semen enters the bladder instead of leaving the body through the penis. This problem is usually painless and harmless. A man with retrograde ejaculation may notice cloudy urine after an orgasm.
  • Ejaculation failure -- the inability to ejaculate in a timely manner, or at all.
  • Ejaculation decrease -- reduced amounts of ejaculate or semen.
While Jalyn itself has not been studied in clinical trials, both components of Jalyn together have been studied together. In this study, some men were given both components of Jalyn together while others were given just the individual components. Side effects were carefully documented, so it was possible to see what side effects occurred, how often they appeared, and how they compared between the different treatments.
In this study, ejaculation problems occurred in:
  • Up to 9.7 percent of men taking both components of Jalyn together
  • 1.9 percent of men taking only dutasteride
  • 3.2 percent taking only tamsulosin.
Written by/reviewed by:
Last reviewed by: Kristi Monson, PharmD;
Last updated/reviewed:
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