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6 Signs You May Need Testosterone Injections for Men

July 11, 2025

An image of an unrecognizable muscular man who has received testosterone injections.

Maintaining healthy testosterone levels in men is crucial for overall well-being, energy, and vitality. In fact, as the primary male sex hormone, testosterone plays a vital role in muscle mass, bone density, mood regulation, and sexual health.

The problem is that as men age, their testosterone levels naturally decline. This decline can take a toll on physical and mental health, especially when testosterone dips below normal levels. While some changes may seem subtle, others can significantly impact daily life.

If you are experiencing persistent symptoms that could be linked to low testosterone in men, you may need to consider a more active approach to managing your health, such as testosterone injections. Here are six signs to watch out for and how Dr. Desiderio Avila Jr. can help you take charge of your testosterone health.

What is Testosterone and Why is it Important?

Testosterone is a hormone that is essential for male development and ongoing health. Responsible for driving key processes such as libido, energy production, and the development of muscle mass, it is no surprise that balanced testosterone levels are vital for every man.

Testosterone levels in men naturally peak during adolescence and early adulthood, then they tend to decline gradually as a man grows older.  According to The American Urological Association, low testosterone is indicated when levels fall below 300 nanograms per deciliter (ng/dL). Testosterone levels in men vary by age, but a consistent reduction paired with ongoing symptoms could indicate a deeper issue like hypogonadism, a condition where the body fails to produce enough testosterone.

Here are 6 signs you may need testosterone injections:

1. Decreased Libido or Sexual Dysfunction

Testosterone is a primary driver of male libido. Low testosterone in men often contributes to a diminished sex drive or challenges with erectile function, leading to overall dissatisfaction in intimate relationships. If you are noticing a persistent and unexplained decrease in your sexual desire or activity, it may indicate the need to explore treatment options like testosterone injections for men.

2. Chronic Fatigue and Low Energy

Do you feel perpetually tired, even after adequate rest? That may be because low testosterone is interfering with your body’s ability to maintain its energy levels. Persistent fatigue is not only an obstacle to productivity but also to enjoying life’s everyday moments. If exhaustion is impacting your work, family life, or hobbies, it is worth evaluating your testosterone levels.

3. Reduced Muscle Mass and Increased Body Fat

Testosterone plays an instrumental role in building and maintaining lean muscle mass. Consequently, low testosterone levels typically result in muscle loss, even with regular physical activity. There can also be an associated increase in body fat, especially around your midsection. These physical changes may be frustrating and negatively affect your self-confidence.

4. Mood Swings, Irritability, and Depression

Mental health can also be tied to declining testosterone levels as they are associated with mood swings, increased irritability, and even symptoms of depression. If you notice yourself feeling unusually down, anxious, or irritable without any specific reason, hormonal imbalances could be contributing to these emotional shifts.

5. Difficulty Focusing or Decline in Cognitive Function

If you have been finding it harder to concentrate or notice memory lapses becoming more frequent, low testosterone might be a culprit. Studies suggest that men with low testosterone often experience difficulties in critical thinking and overall cognitive performance.

6. Decrease in Bone Density

While often overlooked, testosterone plays a critical role in ensuring strong bones. Low testosterone levels in men can lead to a reduction in bone density, increasing the risk of fractures and osteoporosis. If you are experiencing unexpected joint pain or fractures, it might be time for a deeper look into your testosterone health.

How Desiderio Avila Jr. MD Can Help

If these symptoms resonate with you, seeking expert medical guidance is the next logical step. Dr. Desiderio Avila Jr., a leading expert in men’s health, offers comprehensive, patient-centered care to address low testosterone in men.

When you choose Dr. Desiderio Avila Jr., you can expect a personalized approach that is tailored to your specific needs. His testosterone therapy program focuses on diagnosing and addressing the root cause of your symptoms. From comprehensive blood tests to measure your testosterone levels to determining if testosterone injections for men are suitable, Dr. Avila ensures transparency and professionalism at every step.

Dr. Avila not only prioritizes immediate symptom relief but also focuses on long-term health outcomes. With his expertise in advanced testosterone treatments, including testosterone injections, you can trust that you are in capable hands.

Exclusive services offered by Dr. Avila include:

  • Comprehensive diagnosis of low testosterone levels in men
  • Personalized treatment plans, including the latest techniques in testosterone replacement therapy (TRT)
  • Close monitoring of your condition to ensure that your hormone levels remain balanced and effective
  • Education on how to maintain a healthy lifestyle to complement testosterone therapy

Testosterone Injections in Phoenix, Arizona

Low testosterone does not have to hold you back from living a full, energized, and fulfilling life. Taking proactive steps can redefine your health and mood, and boost your quality of life. With personalized treatment options and expert care, Dr. Desiderio Avila Jr. can enable you to regain control and restore balance.

If you are experiencing lingering symptoms that could be linked to low testosterone in men, scheduling a consultation could be life-changing. Contact Dr. Avila today at (480) 961-2323 to learn how testosterone injections or other treatment options can support you in achieving your health goals. Or, if you prefer, simply submit this online form to request an appointment.

 

 

Citation:

Testosterone injections: Testosterone therapy: Potential benefits and risks as you age – Mayo Clinic

 

 

 

Filed Under: Testosterone Levels, Testosterone Therapy Tagged With: Bone Density, Low Energy, low testosterone in men, sexual dysfunction, sexual health, testosterone health, Testosterone Injections for Men, Testosterone Injections in Phoenix Arizona, testosterone levels in men, testosterone levels in men by age

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Dr. Avila focuses on all aspects of men's health, including vasectomy, vasectomy reversal, male infertility, low testosterone, erectile dysfunction, penile prosthetic surgery, Peyronie’s disease, prostate health, and robotic urological surgery.