Does a Vasectomy Lower Testosterone? Separating Fact from Fiction

Reviewed by Dr. Kenton Bruice, MD

Reading time: four minutes

Considering a vasectomy? One of the biggest concerns men have before undergoing this surgical procedure is whether it will affect their testosterone levels. 

Testosterone plays a vital role in sexual function, sex drive, energy, and overall well-being, so it’s understandable why some men worry about its long-term effects.

The good news? A vasectomy procedure does not impact testosterone production or a man’s sex life. 

In this blog, we will clear up the common myth that a vasectomy lowers testosterone and discuss what really happens after the procedure.

Key Takeaway

A vasectomy is a permanent form of contraception that does not interfere with testosterone production or your sex life. If you experience changes in libido or energy after the procedure, the cause is likely unrelated to the vasectomy itself.

What Is a Vasectomy?

A vasectomy is a permanent form of birth control that involves cutting or sealing the vas deferens, the tubes that carry sperm from the testicles. This prevents sperm from mixing with semen during ejaculation, effectively making a man sterile.

It’s important to note that a vasectomy only stops sperm from being part of ejaculation—it doesn’t interfere with testosterone production or any other male hormones. The testosterone levels in the body remain unchanged because the testicles continue to function as they did before.

Does a Vasectomy Lower Testosterone?

This is one of the most frequently asked questions about vasectomy. The short answer? No.

Testosterone is produced in the testicles and enters the bloodstream, influencing hormone levels, sexual function, and even muscle mass. Since a vasectomy only affects sperm transport and not the testicles themselves, it has no impact on testosterone production.

Multiple studies have confirmed that men maintain healthy testosterone levels after a vasectomy. [1] In fact, there is no scientific evidence linking a vasectomy to erectile dysfunction, reduced libido, or lower hormone levels.

Common Concerns After a Vasectomy

While a vasectomy does not lower testosterone levels, some men report feeling different after the procedure. Here’s why:

  • Psychological factors: Some men associate a vasectomy with a loss of masculinity, even though it doesn’t change testosterone production or sexual activity. This mental perception can sometimes cause a dip in libido.
  • Normal aging: Testosterone naturally declines with age. If a man experiences a lower sex drive or energy levels after a vasectomy, it may be due to aging rather than the effects of vasectomy.
  • Recovery period: Some men experience temporary discomfort or mild swelling after the surgical procedure, which can briefly impact their sex life. However, this is short-term and resolves as healing progresses.

Testosterone & Male Health: When to Get Checked

While a vasectomy does not lower testosterone levels, some men may still experience fatigue, low libido, or other changes. In these cases, the real issue may be naturally declining hormone levels rather than the effects of vasectomy.

If you are experiencing symptoms such as:

  • Reduced sex drive
  • Fatigue or low energy
  • Difficulty maintaining muscle mass
  • Mood changes
  • Erectile dysfunction

…it may be worth checking your testosterone levels.

There are treatment options available, including testosterone replacement therapy, which can help maintain healthy testosterone levels and improve sexual function and overall well-being.

Learn more about hormone therapy for men

Wondering If Your Testosterone Is Low?

If you are experiencing symptoms of low testosterone levels, Denver Hormone Institute of Colorado offers expert hormone testing and personalized treatment plans. Contact us today to learn more about maintaining healthy testosterone levels and optimizing your well-being.

With decades of experience in testosterone replacement therapy, Dr. Bruice helps men restore healthy testosterone levels and improve their overall well-being. Contact us today to learn more about optimizing your hormonal health.

To book an appointment with Dr. Bruice at the St. Louis Hormone Institute of Missouri, call (314) 222-7567 or visit us at 9909 Clayton Rd, Suite 225, St. Louis, MO.

Other locations

📍Denver Hormone Institute of Colorado

55 Madison Street, Suite 575 Denver, CO

References

[1] Long-term safety, health and mental status in men with vasectomy

Zhao K, Wu L, Kong X, Chen Y, Li H, Gu Y, Shang X, Xiong C. Long-term safety, health and mental status in men with vasectomy. Sci Rep. 2018 Oct 24;8(1):15703. doi: 10.1038/s41598-018-33989-5. PMID: 30356207; PMCID: PMC6200721.

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