What Are the Symptoms of Low Testosterone in Teenage Boys?

What Are the Symptoms of Low Testosterone in Teenage Boys?

Written by Ben Bunting: BA, PGCert. (Sport & Exercise Nutrition) // British Army Physical Training Instructor // S&C Coach.


Low testosterone in teenage boys can have various symptoms that can affect their physical and emotional well-being. It is important to recognize these symptoms and take appropriate steps to address the issue.

In this article, we will explore the common symptoms of low testosterone in teenage boys and discuss potential solutions 

What are the symptoms of low testosterone in teenage boys? Low testosterone can be caused by various causes, such as aging or a weakened immune system.

Symptoms of low testosterone can range from weakness in muscle strength to fatigue and even cognitive function, so if you suspect that your son is suffering from this condition, it is crucial that he sees a health professional.

Recognizing the signs of low testosterone in teenage boys

It is important for parents and caregivers to be aware of the signs of low testosterone in teenage boys.

Some common symptoms include decreased muscle mass, fatigue, mood swings, decreased libido, damaged testicles and delayed puberty.

If you notice any of these symptoms in your teenage boy, it is important to consult with a healthcare professional who can provide a proper diagnosis and recommend appropriate treatment options.

Fatigue and Lethargy

Fatigue is often the first symptom of a low testosterone level in teenage males, but it is not always a reliable indicator. Chronic fatigue is persistent feeling of being tired that does not improve with rest or exercise.

Lethargicness can also indicate an underlying health problem, such as a thyroid issue. Fatigue can also contribute to decreased work performance. While fatigue may be a normal part of life, it should be accompanied by other signs of low testosterone.

A decrease in testosterone levels can affect a number of other areas of a teenage male's life. Low T can affect his physical and cognitive performance, causing him to be lethargic and irritable.

These symptoms can cause him to cut back on socialization or sex activities. This condition is treatable, and treatment is possible.


Anorchia refers to males' lack of testes, whether unilateral or bilateral. When found within the abdomen it's called cryptorchidism (reviewed elsewhere).

Histologic examination usually identifies nubbins of fibrous tissue devoid of germ cells attached to blind-ending vas deferens as classic signs.

Although its exact cause remains unknown it could be related to in-utero torsion or trauma during or post testicular descent or due to genetic factors.

Although monozygotic twins discordant for bilateral anorchia suggest that genetic factors don't seem paramount.

Men with anorchia do not produce any sperm and thus cannot have children on their own, yet continue to develop normally throughout puberty without any adverse affects caused by this condition.

Few families with 46,XY disorders of sexual development have been reported as suffering from anorchia, suggesting functional gonads were present during gestation but then disappeared during male sexual differentiation processes.

Men with no testes should take great caution when engaging in sexual activity, as they will not be able to detect their partners' sperm and will remain infertile.

Sperm donation or adoption are possible options available to them for reaching parentalhood; additionally, they need not worry about creating offspring with anorchia due to an absence of gonads in their scrotum being hereditary.

Understanding the causes of low testosterone in teenage boys

Low testosterone in teenage boys can be caused by a variety of factors.

One common cause is a condition called hypogonadism, which occurs when the testes do not produce enough testosterone.

Other potential causes include certain medical conditions, such as Klinefelter syndrome or pituitary gland disorders, as well as certain medications or treatments, such as chemotherapy.

Cholesterol levels can also be an indicator of hormonal imbalance or adult-onset hormone conditions.

An endocrinologist can help regulate and balance out your hypothalamus, pituitary gland, adrenal glands and other hormones in order to bring balance back into your life.


The symptoms of male hypogonadism can be varied. In some cases, testosterone levels are low as a result of obesity. Other times, low testosterone is an inherited condition.

In both cases, a blood test can reveal the presence of low testosterone. Hypogonadism in males may be the result of a number of factors, including an inherited disorder, a genetic predisposition, or a family history.

If you suspect your child of suffering from hypogonadism, a physical examination is necessary.

A full blood analysis is necessary to determine testosterone levels and other hormones related to growth. Y

our doctor may also recommend blood tests to rule out the presence of a disorder known as Klinefelter syndrome.

This syndrome affects one in every 500 males and can cause delayed puberty. Although testosterone levels are lower than those of other hormones, it is still an indicator of low testosterone in teenage males.

Klinefelter syndrome

If you suspect that your teenager might have Klinefelter syndrome, you should see your doctor.

It usually results in testosterone replacement therapy or fertility testing.

Treatment will depend on the type of symptoms the boy is experiencing. If symptoms are severe, however, it may be possible to treat the problem with physical therapy and behavioral therapy.

While the exact cause of Klinefelter syndrome is unknown, the condition is a result of extra X chromosomes in the body.

A boy with this disorder almost always has no sperm in his ejaculate. The extra X chromosome is a result of a genetic condition known as mosaicism.

When sperm production is compromised, a boy with Klinefelter syndrome has a higher risk for developing cancer and heart disease.

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Delayed Puberty

If your child has delayed puberty, it is very important to get checked by a doctor. Your child may be experiencing a delay of several months or even a year.

A doctor can help you find out the underlying cause of delayed puberty, and then provide you with a treatment plan to address the problem. Serum prolactin levels can be used to diagnose hyperprolactinemia, which can lead to delayed puberty.

Pediatricians may recommend four to six-month checkups throughout your child's childhood.

Sometimes, delayed puberty occurs because of a medical condition, such as a genetic disorder.

In these cases, medication or lifestyle changes may be recommended by your doctor. In some cases, a child may need hormonal treatment to jumpstart their puberty.

While this option is not always available, it is recommended if the condition is causing significant distress for your child.

If you suspect that your child is experiencing delayed puberty, a doctor will perform a physical exam to look for signs and symptoms.

You will likely be asked about your family's medical history and a blood test to determine if your child is having a problem with their puberty. An x-ray of their hand and wrist may also be ordered to determine bone maturation.

The x-rays may be repeated several times to make sure your child's bones are developing properly.

In some cases, an ultrasound can be used to take a closer look at your child's internal organs.

Symptoms of delayed puberty include high-pitched voice, short stature, fat deposits and little body hair.

In addition, bones may not develop at the normal rate, and the child is not yet sexually mature. A child with delayed puberty may also need help dealing with social concerns and dealing with social situations.

Delayed puberty can be caused by chronic medical problems, hormonal disorders, cancers, or certain infections. 

The condition can affect your child's self-esteem and cause her to feel self-conscious about her appearance.

This can lead to depression or even substance abuse. As a result, tweens who are stressed out about delayed puberty should remember that everyone develops at their own pace.

Other causes of delayed puberty include eating disorders, chronic illnesses, and surgery.

A medical professional can help you determine whether a medical condition is the root cause of delayed puberty, or if a hormonal imbalance is the cause. A doctor will perform tests to diagnose the cause and prescribe treatment if necessary.

Although delayed puberty can occur at any age, it is most common in boys. Boys often do not develop pubertal characteristics until the age of thirteen, whereas girls usually do not reach this age until 14 or fifteen.

In addition, 50% of patients with delayed puberty have a family history of late puberty. Some of the symptoms of delayed puberty may include short stature and slow growth.

Seeking medical advice and diagnosis for low testosterone

If you suspect that your teenage boy may have low testosterone, it is important to seek medical advice and diagnosis.

A healthcare professional will be able to evaluate his symptoms, conduct necessary tests, and determine the underlying cause of the low testosterone.

They may also recommend further evaluations or consultations with specialists, such as an endocrinologist. It is crucial to receive a proper diagnosis in order to develop an appropriate treatment plan and address any potential underlying medical conditions.

The Role of an Endocrinologist

An endocrinologist's primary function is to diagnose and treat conditions involving hormones and glands that produce them.

Our bodies produce over 50 types of hormones which control everything from metabolism and growth, sexual function, sensory perception and sleep - any imbalance can lead to serious health complications.

While people often visit their primary care physician or internal medicine specialist initially for general evaluation of health concerns such as diabetes or thyroid disease.

Should a condition related to the endocrine system arises they may be referred to an endocrinologist for further evaluation and treatment.

When patients visit an endocrinologist, the physician will usually begin by discussing symptoms and medical history before conducting a physical exam. Most often, endocrinologists treat chronic conditions without needing surgery;

Based on your specific condition, an endocrinologist may suggest medications or treatments as necessary. They will also consult with referring physicians, review patient medical records and perform any additional testing required.

People seeking help for low testosterone may be unclear on who to visit for treatment; endocrinologists or urologists?

Urologists specialize in diagnosing and treating conditions affecting both male reproductive systems as well as urinary systems; they may also treat other hormonal issues.

However, according to a study published in the Journal of Clinical Endocrinology and Metabolism urologists tend not to adhere as closely to established guidelines regarding how best to treat low testosterone.

This may lead to misdiagnosis and incorrect treatments that can negatively impact quality of life.

Exploring treatment options for low testosterone in teenage boys

Once a diagnosis of low testosterone has been confirmed in a teenage boy, there are several treatment options that can be explored.

The most common treatment is hormone replacement therapy, which involves administering testosterone to increase levels in the body.

This can be done through injections, patches, gels, or pellets. The specific method of administration will depend on the individual's preferences and the healthcare professional's recommendations.

In addition to hormone replacement therapy, lifestyle changes such as regular exercise, a healthy diet, and adequate sleep can also help improve testosterone levels.

Vitamin A and Iron to Treat Constitutional Delayed Puberty

Children who have constitutional delayed puberty (CDGP) may benefit from taking vitamin A and iron supplements.

These supplements have been shown to help boost growth and initiation of puberty.

Supplementation with these vitamins has proven to be just as effective as hormone therapy. Supplementation can improve the quality of life and reduce social isolation associated with CDGP.

Delay of puberty is caused by various factors. One of the most common causes is inadequate diet.

Many young adolescents have eating disorders that can interfere with the normal growth of the body.

Other causes of delayed puberty include certain types of exercise, including sports. Young athletes may be particularly susceptible to delayed puberty, which can lead to an abnormal growth pattern and infertility.

Vitamin A plays an important role in cell replication and development. Vitamin A helps stimulate the production of growth hormone. Iron helps the body absorb vitamin A.

Supporting teenage boys with low testosterone through lifestyle changes and therapy

When it comes to addressing low testosterone in teenage boys, lifestyle changes and therapy can play a crucial role.

One of the most common treatment options is hormone replacement therapy, which involves administering testosterone to increase levels in the body.

This can be done through various methods such as injections, patches, gels, or pellets. However, it's important to note that lifestyle changes can also have a significant impact on testosterone levels.

Encouraging regular exercise, promoting a healthy diet, and ensuring adequate sleep can all contribute to improving testosterone levels in teenage boys.

It's essential to work closely with a healthcare professional to determine the best course of treatment for each individual case and to monitor progress over time.


Testosterone is an essential hormone in male development. It plays an integral part in male sexual organ growth, sperm production, muscle mass growth, voice deepening and hair growth - as well as mood regulation and bone strength regulation.

Testosterone levels typically peak between early adulthood and adolescence before beginning to decline gradually over time beginning at around age 30.

This process of decrease is known as male menopause - although low testosterone can result in many symptoms including erectile dysfunction as well as reduced muscle mass density or bone strength.

Teenage boys with low testosterone levels may notice changes such as loss of armpit and pubic hair or decreased strength and energy.

Other symptoms could include reduced sperm counts (azoospermia) or reduced voice with larger breasts (gynecomastia). If these symptoms arise, see your physician immediately.

Low testosterone can also be caused by various health issues and medications.

These may include cancer treatments, steroids used to treat mental illnesses like bipolar disorder, and other prescription medications.

Furthermore, having too much body fat or not exercising enough could have an adverse impact.

Congenital conditions that can contribute to low testosterone in teenage boys include Klinefelter syndrome, which involves any abnormalities with one or both X and Y chromosomes, leading to abnormal testicle development and underproduction of testosterone and sperm.

Another condition known as primary hypogonadism occurs when your pituitary gland doesn't produce enough luteinizing hormone or follicle-stimulating hormone to stimulate testicles into producing and releasing enough testosterone and sperm.

This could be due to damaged testicles (anorchia), medication side effects or problems with glands in your brain controlling hormone production.

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