low testosterone Systems - Insights

There's a good reason guys go girl-crazy in their teens and twenties: Their testosterone levels are at their peak. click to find out more From that this content point, though, testosterone levels go to website gradually decrease.

"After age 30, most men begin to experience a gradual decline in testosterone," states David Samadi, MD, chairman of the urology department at Lenox Hill Hospital in New York City.

Although testosterone levels never reach zero (as estrogen levels do in women during menopause), low testosterone levels men to experience symptoms like fatigue, low sex drive, and loss of muscle mass.

While reduced testosterone is more common in older men, it can occur in younger guys also. Luckily, all the causes of low testosterone in young men are treatable, so if you experience these symptoms at any given age, there's no reason to ignore it.


For younger men, a fall in testosterone levels may be caused by some ailments, such as type 2 diabetes, diabetes, chronic liver or kidney disease, COPD or other lung disorder, or adrenal gland problems, based on Dr. Samadi.

Genetic causes of low testosterone in males include the diseases Klinefelter syndrome, Kallmann syndrome, Prader-Willi syndrome, and Myotonic dystrophy. Another disorder that could cause low testosterone is hemochromatosis, making the body shop too much iron.

"Low testosterone can also result when something happens, like trauma or steroid use, that prevents the testes from making the hormone," states Bruce Gilbert, MD, PhD, an adjunct clinical professor of urology and reproductive medicine at Weill Cornell Medical College and director of reproductive and reproductive medicine at the Smith Institute for Urology of the North Shore-LIJ Health System.

Additional causes of low testosterone in males younger than 50 contain adrenal gland tumors, HIV disease, and radiation treatment or chemotherapy for cancer.

Doctors categorize causes of low testosterone as primary or secondary.

"Primary hypogonadism stems from a problem in the testicles," Samadi states. "This could be from a developmental issue, injury to the testicles, or radiation or chemotherapy treatment.

Can It Be Low Testosterone?

Regardless of the cause, low testosterone symptoms would be the same.

"Symptoms include low libido, erectile dysfunction, fatigue, decreased mental acuity and moodiness," Dr. Gilbert says.



If your blood test reveals low testosterone (usually defined as a level lower than 300 ng/dL), the doctor may treat you or refer you to a specialist, such as an urologist or endocrinologist.

Treatments for Low Testosterone in Younger Men

"When it comes to treating low testosterone in older men, we usually reserve treatment for people who have symptoms, such as tiredness and low libido," Gilbert says.

In men who don't make the hormone in their testes because of a condition such as Klinefelter syndrome, or those who have lost their testes because of cancer, the only option is testosterone replacement therapy.

In these circumstances,"therapies are often used just in the brief term, and when a doctor has close observation and knowledge of the individual," Gilbert says.

An important consideration for younger men before getting treatment is fertility. "You don't want to offer supplemental testosterone to men who are interested in being fertile since it can turn off sperm production," Gilbert says.

Once a young man goes off testosterone supplementation, there's a chance his sperm count will never return to what it was before he started. "Therefore, men of reproductive age should consider alternatives that might increase their testosterone as well as preserve their sperm production," he says. One such alternative is a class of drugs called selective estrogen receptor modulators (SERMs).

Other treatments for low testosterone include weight loss and other lifestyle changes, like eating healthy and raising exercise.

The bottom line, though, is that if you've got low testosterone symptoms, then it is very important to see your physician. Then, your doctor can rule out potentially more significant causes of your symptoms, including hypertension or a thyroid problem, and give treatment that can improve your power and high quality of life.

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