The surprising impact of TRT on baldness in men

By Dr. David Samadi

Male pattern baldness, medically called androgenic alopecia, is a common condition affecting many men. The causes of this type of hair loss are multifactorial, involving a complex interplay of genetics, environmental factors, and hormonal changes. Among the various contributing factors, testosterone replacement therapy (TRT) has been suggested to increase the risk of hair loss in men, particularly those who are genetically predisposed.

Understanding Male Pattern Baldness and Its Causes

A variety of factors beyond TRT can influence hair loss. Stress, poor nutrition, certain medications, and even grooming habits—like frequently tying hair back too tightly—can contribute to thinning hair. However, genetics often play the most significant role. A good indicator of your potential for hair loss is to look at your family history. If close relatives, especially on your mother’s side, have experienced hair loss, you may also be more likely to encounter it.

The Role of Testosterone in Hair Health

The most crucial hormone in the male body is testosterone. This hormone contributes to and is vital to various physical and sexual characteristics. Daily, about 6 to 8 percent of testosterone is converted into dihydrotestosterone (DHT). This more potent androgen triggers the beginnings of secondary sexual characteristics during puberty, such as facial and body hair.

However, DHT also has a darker side regarding hair health. As men age, DHT can contribute to issues like an enlarged prostate and male pattern baldness. DHT may play a role in baldness binding to hair follicles, which thus leads to them to shrinking and weakening over time. This process is particularly pronounced in men genetically predisposed to hair loss. For these individuals, elevated DHT levels, whether naturally occurring or due to TRT, can accelerate the progression of male pattern baldness.

Does TRT Accelerate Hair Loss?

Testosterone replacement therapy is often prescribed to men who have low testosterone levels, helping to restore their hormone balance and improve overall health and quality of life. However, TRT can increase DHT levels, which may exacerbate hair loss in those predisposed to male pattern baldness.

Research provides some insight into this connection. A study of transgender men undergoing TRT as part of their medical transition found that 5 to 17 percent experienced some degree of hair loss within the first year of treatment. In most cases, the hair loss was mild, but it was nonetheless a noticeable effect.

While TRT can potentially speed up the onset of male pattern baldness, it’s important men know that this is more likely in men genetically inclined toward hair loss. The increase in DHT due to TRT can accelerate a process that would have occurred naturally over time.

Balancing the Benefits and Risks of TRT

Testosterone replacement therapy offers numerous benefits, including improved energy levels, increased muscle mass, enhanced mood, and better sexual function. For men suffering from the symptoms of low testosterone, these benefits can significantly improve their quality of life. However, if hair loss is a significant concern, it is important to weigh this potential side effect against the benefits of treatment.

If you are considering TRT or are currently undergoing therapy and notice signs of hair loss, it’s best to consult a dermatologist for the most accurate treatment. They can help identify any underlying causes of hair loss and discuss potential treatment options. In some cases, hair loss treatments like minoxidil or finasteride may be recommended to help counteract the effects of increased DHT.

Conclusion

While testosterone replacement therapy can accelerate male pattern baldness in those predisposed to it, it is not the sole cause of hair loss. Various factors, including genetics, lifestyle, and overall health, play a significant role. For men considering TRT, understanding the potential risks and benefits is crucial. By collaborating closely with healthcare providers, you can make decisions that match your health needs and objectives.

 

Dr. David Samadi is the Director of Men’s Health and Urologic Oncology at St. Francis Hospital in Long Island. He’s a renowned and highly successful board-certified Urologic Oncologist Expert and Robotic Surgeon in New York City, regarded as one of the leading prostate surgeons in the U.S., with a vast expertise in prostate cancer treatment and Robotic-Assisted Laparoscopic Prostatectomy.  Dr. Samadi is a medical contributor to NewsMax TV and is also the author of The Ultimate MANual, Dr. Samadi’s Guide to Men’s Health and Wellness, available online both on Amazon and Barnes & Noble. Visit Dr. Samadi’s websites at robotic oncology and prostate cancer 911. 

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