Why do I feel so tired after testosterone shot?

Receiving testosterone shots is a commonly prescribed medical intervention for various conditions, ranging from hormonal imbalances to certain medical transitions. While these shots can offer numerous benefits, it is not uncommon for individuals to experience feelings of fatigue or tiredness after their administration. Many people have a same query, “Why do I feel so tired after testosterone shot?”.

Understanding why this occurs is essential in order to manage and address this potential side effect effectively. In this article, we will explore the possible reasons behind feeling tired after a testosterone shot, shedding light on the hormonal, metabolic, and psychological factors that may contribute to post-injection fatigue. By gaining insight into these factors, individuals can better navigate their testosterone therapy journey and optimize their overall well-being.

What is testosterone?

Testosterone is a hormone that belongs to a class of hormones known as androgens. It is primarily produced in the testicles in males, although smaller amounts are also produced in the ovaries and adrenal glands in females. Testosterone plays a crucial role in the development and maintenance of male sexual characteristics and reproductive function.

In males, testosterone is responsible for the development of the testes and prostate gland, as well as promoting the growth of facial and body hair. It also contributes to the deepening of the voice during puberty and influences sex drive (libido). Testosterone is essential for sperm production and plays a role in maintaining bone density and muscle mass.

In females, although testosterone is present in lower levels compared to males, it is still important for overall health. It contributes to sexual desire, helps maintain bone density, and plays a role in maintaining muscle mass and overall well-being.

Beyond its role in reproductive and sexual health, testosterone also has systemic effects on the body. It plays a role in metabolism, influencing fat distribution, insulin sensitivity, and energy levels. Testosterone also impacts mood, cognitive function, and cardiovascular health.

Testosterone levels naturally decline with age, and abnormally low levels can lead to various symptoms, such as fatigue, reduced libido, decreased muscle mass, and mood changes. In cases of low testosterone, hormone replacement therapy, including testosterone shots, may be prescribed to restore hormonal balance and alleviate associated symptoms.

What is a Testosterone Shot?

A testosterone shot refers to the administration of testosterone hormone through an injection. Testosterone shots are commonly prescribed in medical settings to address conditions such as low testosterone levels (hypogonadism), delayed puberty, hormonal imbalances, and certain gender-affirming treatments. The injections deliver a concentrated dose of testosterone directly into the bloodstream, allowing for quick absorption and distribution throughout the body.

The frequency and dosage of testosterone shots depend on the individual’s specific medical needs and may vary from weekly to monthly injections. These shots are typically administered by a healthcare professional, such as a doctor or nurse, in a clinical setting or at home with proper training and guidance. Regular monitoring of testosterone levels and overall health is important to ensure the appropriate dosage and to minimize potential side effects.

If you’re a Testosterone Replacement Therapy (TRT) patient and are experiencing tiredness and Low-T symptoms, don’t be afraid. This is experienced by some patients of TRT even after months of being on a TRT program, and you may need a blood test to measure your estrogen and thyroid levels, among other key metrics.

If your levels show an irregularity, your doctor may change your protocol and dosage.

Why do I feel so tired after testosterone shot?

Why do I feel so tired after testosterone shot

  1. Hormonal changes: Testosterone injections can cause fluctuations in hormone levels, which may affect your body’s energy regulation systems. Testosterone plays a crucial role in various physiological processes, including energy production. Sudden changes in hormone levels can temporarily disrupt the body’s equilibrium, leading to feelings of fatigue.
  2. Increased metabolism: Testosterone injections can increase metabolic rate, resulting in higher energy expenditure. This increased metabolic activity can lead to feelings of tiredness as your body adjusts to the changes. It may take some time for your body to adapt to the increased energy demands.
  3. Side effects: Testosterone injections can have side effects that may contribute to fatigue. These can include changes in sleep patterns, mood swings, and even fluid retention. Disrupted sleep or mood disturbances can directly impact your energy levels and make you feel tired.
  4. Individual response: People can have varying responses to testosterone injections. Some individuals may experience fatigue as a side effect, while others may not. Factors such as overall health, lifestyle, and individual physiology can influence how your body responds to testosterone supplementation.

If you’re consistently feeling excessively tired or if the fatigue persists for an extended period after testosterone injections, it’s important to discuss this with your healthcare provider. They can evaluate your specific situation, monitor your hormone levels, and provide appropriate guidance or adjust your treatment plan if needed.

Does testosterone make you sleepy?

Testosterone itself is not typically known to directly cause sleepiness or drowsiness. However, hormonal changes can affect various aspects of your body, including sleep patterns and energy levels. Some individuals may experience sleep disturbances or changes in mood as a result of testosterone therapy, which could indirectly contribute to feelings of sleepiness or fatigue. It’s important to note that individual responses to testosterone can vary.


What are the immediate effects of testosterone injections?

The immediate effects of testosterone injections can vary from person to person. Here are some common immediate effects that individuals may experience:

  1. Increased energy and vitality: Testosterone plays a role in energy metabolism and can boost energy levels. Some individuals may experience a surge of energy shortly after receiving a testosterone injection, leading to increased vitality and reduced feelings of fatigue.
  2. Improved mood and well-being: Testosterone has been linked to mood regulation, and testosterone therapy can have a positive impact on mood. Shortly after receiving a testosterone injection, some individuals may experience an improvement in mood, feeling more positive, confident, and motivated.
  3. Enhanced libido and sexual function: Testosterone is crucial for sexual desire and function. Individuals with low testosterone levels may experience a decline in libido and sexual performance. Testosterone injections can lead to an immediate increase in sex drive and improvements in erectile function, helping to restore a healthy sexual response.
  4. Reduced symptoms of low testosterone: Testosterone therapy aims to alleviate the symptoms associated with low testosterone levels, such as fatigue, decreased muscle mass, and depression. Shortly after starting testosterone injections, individuals may notice a reduction in these symptoms, leading to improved physical and mental well-being.
  5. Potential side effects: It’s important to note that testosterone injections can also have immediate side effects, although they may not occur in everyone. These side effects can include injection site discomfort, fluid retention, acne, or changes in mood, among others. If you experience any concerning side effects, it’s crucial to inform your healthcare provider.

What should I do before taking a testosterone shot?

Before taking a testosterone shot, it is important to follow these steps:

  1. Consult with a healthcare professional: Testosterone therapy should always be prescribed and supervised by a qualified healthcare professional. Schedule an appointment with a healthcare provider who specializes in hormone therapy to discuss your symptoms, medical history, and potential benefits and risks of testosterone treatment.
  2. Get a thorough evaluation: Your healthcare provider will likely conduct a comprehensive evaluation, which may include blood tests to measure your hormone levels, assess your overall health, and rule out any underlying conditions that may affect testosterone therapy.
  3. Discuss risks and benefits: Have a detailed discussion with your healthcare provider about the potential benefits and risks of testosterone therapy in your specific case. Understanding the expected outcomes, potential side effects, and long-term implications will help you make an informed decision.
  4. Follow preparation instructions: Your healthcare provider will provide specific instructions on how to prepare for the testosterone shot. This may include recommendations regarding fasting, discontinuing certain medications, or any other specific guidelines to ensure a safe and effective administration of the injection.
  5. Clarify any concerns or questions: Before proceeding with the testosterone shot, make sure to address any concerns or questions you may have with your healthcare provider. This can include topics such as dosage, injection technique, potential side effects, or the frequency of injections.
  6. Give informed consent: Once you have understood the risks and benefits of testosterone therapy and addressed any concerns, provide informed consent by signing any necessary consent forms as required by your healthcare provider.

Tired After Testosterone Injection? Here’s the Recommendations

Patients are recommended to supplement their TRT program with lifestyle changes that include:

  • Better sleep (7-8 hours of sleep)
  • Improved nutrition
  • Limiting alcohol consumption and foods that lower testosterone
  • Participating in regular exercise that includes moderate to heavy weight lifting or High-Intensity Interval Training (HIIT)
  • Periodic donating of whole blood to reduce the risk of elevated hemoglobin (red blood cell) levels and potential for blood clots (call us for more information)
  • Adding additional medications or supplements as needed to the patient protocol

Why Can TRT Cause Fatigue?

Testosterone replacement therapy can cause fatigue in some men for a variety of reasons, including:

  1. Overstimulation of the body: Increased testosterone levels can cause the body to overwork, leading to fatigue and exhaustion.
  2. Insomnia: Some men on testosterone therapy may experience difficulty sleeping, which can lead to fatigue.
  3. Hormonal imbalance: A sudden increase in testosterone levels can cause an imbalance with other hormones in the body, leading to fatigue and other symptoms.
  4. Side effects of the medication: Testosterone therapy can cause side effects such as acne, fluid retention, and mood changes, which can also contribute to feelings of fatigue.

Why do I feel so tired after testosterone shot? Psychological Factors:

Undergoing medical procedures, such as receiving testosterone shots, can induce stress or anxiety. Psychological factors, such as anticipation or worry, can contribute to feelings of fatigue. Additionally, managing a medical condition or dealing with the underlying reasons for testosterone treatment can be mentally and emotionally draining, leading to fatigue.

More Related testosterone

Does Smoking Cigars Increase Testosterone?

Cold Showers And Testosterone: Explore The Connection

Best Herbs To Boost Testosterone Levels

Does Having Sex Increase Testosterone

Final Thoughts on “Why do I feel so tired after testosterone shot”

Feeling tired after a testosterone shot is a relatively common side effect, but it’s important to monitor your symptoms and speak with your doctor if you have any concerns. They can help determine if there’s an underlying issue or if the fatigue is a normal reaction to the medication.

About the Author

Leave a Reply

Your email address will not be published. Required fields are marked *

You may also like these