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Low Testosterone FAQ

Is testosterone replacement therapy right for me?

Testosterone replacement therapy (TRT) may be appropriate for men of any age with low or borderline-low levels of testosterone — a condition known as hypogonadism — who display its signs and symptoms. Testosterone is a hormone that plays a crucial role in the development and maintenance of male reproductive and sexual functions, body composition, bone health and behavior.

What are the signs and symptoms of low testosterone?

Symptoms can include:

  • Infertility
  • Decreased body or facial hair
  • Enlarged breasts
  • Decrease in lean body mass and muscle strength
  • Obesity
  • Decrease in bone mineral density
  • Reduced sexual desire (libido)
  • Erectile dysfunction
  • Ejaculatory dysfunction
  • Delayed orgasms
  • Decreased testes size
  • Metabolic syndrome
  • Insulin resistance
  • Type 2 diabetes mellitus

Other signs are hot flushes, changes in mood, depression, irritability, decreased memory or reasoning, fatigue, sleep disturbances.

In boys, low testosterone can result in delayed puberty.

How can I be sure I have low testosterone?

If you have any of these signs and symptoms, a simple blood test can determine your testosterone level. This can be done at most laboratories, but it is best to have your blood drawn at a specialized lab — such as ours at UC Irvine Health — that uses more advanced testosterone measurement techniques. Your blood should be drawn between 8 a.m. and 11 a.m. due to daily variations in testosterone secretion.

Is low testosterone a natural part of the aging process?

As men get older, testosterone levels decline naturally in a gradual and almost imperceptible manner. In some men, however, a more significant decline can occur. If low testosterone is impacting your quality of life, you are likely to benefit from testosterone replacement therapy.

Does testosterone replacement therapy work?

Yes. Numerous studies have shown that testosterone replacement therapy can restore normal levels of testosterone. Reported benefits include improved body composition (more muscle and strength, less fat), weight loss, stronger bones, better metabolic and diabetic control, improved psychological health (cognitive function, mood, concentration), heightened sexual function (libido, erectile function, orgasms) and, possibly, fewer cardiovascular events.

Who should I see for testosterone replacement therapy?

It is best to seek treatment from a physician who is trained in testosterone replacement therapy, known as an andrologist. An andrologist is a board-certified urologist who has additional training in sexual medicine, male infertility and hypogonadism (low testosterone).

What type of testosterone replacement therapy is right for me?

There are many testosterone replacement therapies. Your treatment should be geared toward your specific condition, preferences and expectations, as well as any considerations raised by your physician.

The most common treatment options are topical gels and patches. Others include short- and long-acting intramuscular injections (commonly into the butt cheek) or the implanting of testosterone pellets (Testopel©) near the hip. The latter option has the advantage of achieving steady serum testosterone levels for three to six months, which avoids the roller-coaster effect sometimes seen with other treatments.

Is testosterone replacement therapy safe?

Yes, but first it must be emphasized that testosterone therapy, like any medical treatment, can have side effects. These may include increased blood viscosity, breast enlargement or testicular shrinkage. These side effects can generally be prevented or easily managed if you have routine follow-ups with a physician trained in testosterone replacement therapy.

Second, while most men seek testosterone therapy to treat a real medical condition (hypogonadism), others, unfortunately, have abused testosterone replacement therapy for anabolic (exaggerated muscle building) and performance purposes. This can lead to dangerously high and unregulated levels of testosterone enhancement, which can have potentially serious side effects.

Is testosterone replacement therapy safe if I have prostate cancer?

This can only be answered on a case-by-case basis. It is important to recognize that prostate cancer occurs on a spectrum ranging from locally contained (low risk) to widespread (advanced risk) disease.

If you have low-risk prostate cancer and low testosterone, the benefits of testosterone replacement therapy usually outweigh the risks. Conversely, in cases of aggressive or widespread disease, testosterone replacement therapy is typically not advocated. You should always consult with your oncologist and andrologist for a thorough risk-benefit assessment.

Is testosterone replacement therapy safe if I plan to have children?

It may seem counterintuitive, but testosterone replacement therapy is actually a form of male contraception. When given to a man, it acts on the the brain to suppress natural  testosterone production as well as sperm production in the testicles.

If you have low testosterone and would like to preserve your fertility, there are other options for treatment, such as clomiphene citrate and human chorionic gonadotropin (HCG), that may promote natural testosterone secretion and maintain, or even improve, your sperm production.

Questions? Please call us at the UC Irvine Health Center for Urological Care at 714-456-7005.

Make an Appointment

714-456-7005