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Symptoms of Low T in Men

Low testosterone (T) is a common condition among aging males. However, some cases occur due to factors such as alcohol or obesity and those patients need lifestyle change rather than medication therapy.

Low testosterone symptoms in men

However, if you have at least one symptom of low T and your tests confirm hypogonadism, this indicates you may benefit from testosterone replacement therapy (TRT).

Most men with hypogonadism have multiple symptoms that worsen their well-being and quality of life. Thus, visiting a medical specialist and getting a diagnosis as soon as possible is the best way to tackle the condition.

Men who do not take action about low testosterone levels are at a higher risk for anemia, osteoporosis, diabetes, heart disease, and premature death.

Most notable symptoms and signs of low T

Male hypogonadism can cause a spectrum of symptoms that may vary from person to person. The exact complaints will depend on factors like your age, health status, and for how long you have the condition.

10 symptoms of low testosterone in menErectile dysfunction (ED) is a typical symptom for men with low T. Atherosclerosis which advances with age also contributes to ED, so older men are more likely to experience this symptom.

Another sign of hypogonadism is reduced insulin sensitivity and increased risk of diabetes.

However, studies reveal that type 2 diabetes has a strong hereditary component. Thus, hypogonadal men who are genetically predisposed are much more susceptible to develop diabetes as a complication.

Long-term hypogonadism left without treatment can lead to additional signs such as osteoporosis, anemia, and heart problems.

Symptoms of low T are often connected, and one problem can lead to another. For example, men with hypogonadism are more likely to gain extra body fat. Studies report that low T also increases the risk for abdominal (central) obesity.

In turn, central obesity contributes to complications which are also typical signs of low T. They include elevated cholesterol and triglyceride levels, insulin resistance, and increased risk of diabetes.

Reduced libido and sexual activity

Low testosterone is scientifically proven to reduce libido and your ability to have satisfying sex.

Low testosterone - low libido and sex driveHowever, the exact relationship between low T and sexual desire is yet to be unraveled. Male libido is a highly individual trait and varies a lot between different men, so measuring it is difficult.

Low T can also affect your testicular size, especially in cases of secondary hypogonadism. It occurs when there is not enough stimulus from the pituitary gland to the testes.

Normally, the length of the testicles is around 2 inches (4-5 cm). Hypogonadism is one of the main causes of small testicular size (under 1.5 inches).

Low testosterone also leads to reduced semen volume and sperm count, as T is essential for the normal production of spermatozoids.

Erection problems

One of the most dreaded complications of hypogonadism is erectile dysfunction.

Low testosterone - erection problemsCurrently, the exact role of T in erections is unclear. Male sex hormones can indirectly play a role in both initiation and termination of penile erection by regulating libido and arousal.

Vasodilators such as Viagra (sildenafil) are the most commonly prescribed medications in ED. However, there are cases of patients with low T who fail to respond to the treatment unless it’s combined with TRT.

On the other hand, TRT alone might also be insufficient to improve erections. Often, erectile dysfunction has complex etiology including hormonal, psychological, and vascular problems.

If there is no improvement in erectile function after 3 months of testosterone treatment, then sildenafil or another similar vasodilator should be added.

Hot flashes

Men who experience a quick drop in testosterone levels and develop hypogonadism may also complain from hot flashes and night sweats.

Low testosterone - hot flashesCurrently, there is a lack of evidence about how low testosterone triggers these sensations. According to some studies, it is likely related to instability of the temperature control center in the brain.

Additionally, lack of T may lead to peripheral vasodilation causing more blood to rush into the skin which results in the typical feeling you may describe as a “hot flash”. In order to reduce the skin temperature, the body reacts by sweating profusely.

Mental health problems

The most common psychological effects of low testosterone include depression and anxiety. Trials confirm that men with hypogonadism are more likely to experience depressed moods compared to their healthy peers.

Low testosterone - mental health problemsIn some cases, resistant depression is the main symptom of hypogonadism and patients get diagnosed with low T only after failing to respond to standard anti-depressive therapy.

Depression and anxiety

Testosterone may affect mood and emotional state by modulating the GABA and serotonin receptors in the brain.

These receptors play a role in multiple brain processes including relaxation, mood, emotional level, etc.

Low T has a negative impact on these receptors and induces symptoms of depression, mood swings, and grumpiness. Furthermore, low T may result in increased irritability and anxiety attacks.

Poor concentration and memory

Cognitive problems are another common complaint in men with low T. It was confirmed that the reduction of testosterone in older men is associated with cognitive decline.

Symptoms may include brain fog, reduced memory, and difficulty concentrating

Besides, a meta-analysis including data from more than 5000 men suggests that low T increases the risk of dementia such as Alzheimer’s in elderly men.

Thus, hypogonadism might put you at an increased risk of neurodegenerative conditions.

Fatigue and decreased motivation

Progressive chronic fatigue is one of the most common non-specific signs of low T.

Low testosterone - fatigue ans lack of energyThe symptom can significantly reduce performance at work and quality of life in hypogonadal men.

Besides, males with low T are also more likely to experience lethargy and sleepiness. They commonly report falling asleep right after dinner.

Sleep disturbances

Scientists consider sleep problems as a sign of severe hypogonadism. Sleep disturbances such as poor sleep quality, insomnia, and waking up feeling tired can significantly worsen the quality of life.

Some studies suggest that low testosterone might have a negative effect on sleep phases which is why its quality deteriorates.

On the other hand, sleep disturbances associated with obesity, such as sleep apnea can further lower testosterone levels and worsen hypogonadism. This creates a vicious cycle unless obesity and sleep apnea are properly addressed.

Patients with severe sleep apnea and low T are not suitable for testosterone therapy

This is thought to be due to the fact that TRT causes changes in the body’s oxygen requirement and the body’s response to low oxygen levels. This may worsen the symptoms of a condition such as sleep apnea.

Decreased strength and muscle mass

Testosterone is an anabolic hormone with a key role in maintaining lean mass and preventing muscle wasting.

Men who are deprived of natural testosterone production have a progressive decrease in muscle size and strength. The loss of lean body mass also leads to lower muscle endurance.

Muscle wasting contributes to low self-esteem and depression, chronic fatigue, weakness, and bone loss.

Increased body fat

Testosterone regulates fat metabolism by exerting catabolic effects on adipose tissue and stimulating the metabolic rate.

Low testosterone - increased body fatFurthermore, it regulates two key enzymes called lipoprotein lipase and hormone-sensitive lipase. Thus, it facilitates the mobilization of triglycerides from the depots and prevents their accumulation back into the fat cells.

Hypogonadal men experience increased lipoprotein lipase and reduced hormone-sensitive lipase activity which facilitates the accumulation of fat inside the adipose cells and results in obesity.

Hair loss

Testosterone converts to dihydrotestosterone (DHT) in several organs including the skin. There DHT stimulates the growth of facial and body hair.

Low testosterone - hair lossMen with low T may complain of receding facial, axillary, and pubic hair. Furthermore, there are cases of hypogonadal men who experienced a complete loss of body and facial hair.

The case studies reveal that TRT does improve other symptoms of low T but did not cause hair regrowth.

The reversibility of hair loss depends on the stage and the condition of the hair follicle. Once the follicle is dead, hair loss is irreversible.

Reduced bone mass

Both testosterone and estrogen decrease in hypogonadal men. That’s because 80% of the estrogen in males is produced by the enzyme aromatase which converts testosterone.

Low testosterone - reduced bone massStudies report that both hormones have a positive effect on bone mass and mineral density. The reduction in both hormones can lead to bone loss and osteoporosis if the condition is left untreated.

Other contributing factors include reduced physical activity and lower muscle mass in men with hypogonadism.

Causes of primary and secondary hypogonadism

Male hypogonadism has two main groups of causes, and respectively two subtypes – primary or secondary.

Primary hypogonadism is caused by a problem with the testicles, which results in their inability to produce testosterone. That might be due to:

  • Genetic conditions (Klinefelter’s syndrome)
  • Cryptorchidism (undescended testicles)
  • Testicular tumors
  • Infections (mumps)
  • Treatment such as surgery, radiation, or chemotherapy

The testicles are a part of an endocrine axis called hypothalamic-pituitary-gonadal (HPG). This is why the pituitary gland regulates the normal production of testosterone by the testicles.

Secondary hypogonadism occurs when the testicular function is preserved, but the pituitary gland no longer stimulates them into producing T.

Eventually the lack of stimulation results in testicular atrophy (primary hypogonadism). Causes of secondary hypogonadism include:

  • Pituitary tumors
  • Genetic conditions (Kallmann syndrome)
  • Brain injury or infection
  • Pituitary apoplexy (infarction or hemorrhage)
  • Anorexia
  • Long-term therapy with glucocorticoids or opioids
  • Treatment such as surgery or radiation
  • Anabolic steroid abuse

Long-term anti-inflammatory therapy with glucocorticoids suppresses multiple regulatory hormones produced by the hypothalamus, which results in low pituitary and testicular hormones, including low T.

Prolonged opioid therapy, for example, for pain relief, can suppress the whole HPG axis and also results in hypogonadism.

Older adults may develop late-onset hypogonadism (andropause) which is related to the diminishing function of both the testicles and the pituitary gland.

How to treat your low testosterone

You should visit a medical doctor to receive a proper diagnosis and alleviate your symptoms as quickly as possible.

The best choice would be an endocrinologist with knowledge and experience in hormone replacement therapy

Your doctor will perform a thorough medical exam, and assign you blood tests. Your testosterone levels will be measured in the morning when T production is at its highest.

If your testosterone levels are under 300 ng/dl and the results are confirmed by a second test, this suggests you have low T. Then your physician will run additional exams to determine whether you have primary or secondary hypogonadism.

Once you are diagnosed, your endocrinologist may offer you a prescription for TRT. The therapy delivers exogenous testosterone into your body and the goal is to increase your blood T back to normal levels.

Increasing T levels above the normal range is generally not recommended, as testosterone can also cause side effects.

Make sure to use TRT only under a doctor’s supervision. Self-medicating or following online advice increases the risk of adverse reactions and you may end up with more health problems than before.

Our clinic can provide you with experienced endocrinologists who will be happy to assist you at every stage of the treatment process.

This will ensure the safety and effectiveness of your therapy. We can help you alleviate the symptoms of low T and improve the quality of your life as soon as possible.