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Overwhelming benefits of testosterone replacement

Overwhelming benefits of testosterone replacement

At a 2013 Annual Meeting sponsored by The Endocrine Society, many of the speakers were from the international endocrinology community. They praised testosterone replacement therapy for many unwanted symptoms and signs associated with aging-related hormone declines, and published their clinical practice guidelines.  Let’s consider who is a candidate for testosterone, the potential adverse effects, and important blood tests to manage replacement therapy.

Who is a candidate for testosterone therapy?
According to a report in a 2014 Journal of Sexual Medicine, a synthesis of international experts emphasized the diagnostic limitations of using a serum testosterone level as the only reason for replacement therapy, and revealed that symptoms of low testosterone are the foremost criteria for determining this.

What are the symptoms of low testosterone in men and also in women? Let’s look at these. In men, low testosterone is seen by the following symptoms and signs:
Fatigue, overall lack of energy
Difficulty with concentration and memory; brain fog
Loss of motivation at work and in life, mild depressed mood
Irritability (increased anger, agitation, or loss of patience)
Reduced muscle mass and strength
Increased body fat, gynecomastia (enlarging breasts), decreased body hair
Decreased interest in sex or drive
Erectile dysfunction, delayed refractory period (time it takes to have sex again)
Hot flashes
Thinning dry skin

In women, low testosterone is seen by the following symptoms and signs:
Reduced muscle strength and tone, easy fatigue with exercise
Difficulty losing weight
Decreased interest in sex
Difficulty concentrating, mood swings, low mood, anxiety
Hair loss

Therefore, if one or more of these symptoms deserve improvement, you are likely a candidate for testosterone replacement.

According to the Endocrine Society, there is overwhelming evidence of benefits of Testosterone therapy, but you must have “…unequivocally and consistently low serum T concentrations” in order to fit their criteria for replacement therapy. Therefore, a serum free testosterone level is the first and main blood test to have performed. If your level is close to or below the normal lab reference range, then there will be little question of benefit from testosterone replacement therapy.

However, if your testosterone level is in the middle to high end of the range, consider ways to increase testosterone uptake into your organ tissues. These methods include:
Lose excessive body weight; primarily through aerobic exercise plus strength training, and consuming only nutrient rich foods.
Eliminate refined sugar from your diet
Consume plenty of healthy fats (not only from avocados and nuts, but also saturated fats at 50-60 percent of your diet. Examples are olive oil, coconut oil, grass-fed meats, real butter).
Take a protein powder supplement daily; from whey, rice, or pea protein.
Take Vitamin D to maximize your level (and then have it tested by your doctor)
Take Zinc 25 mg twice daily
Reduce stress

Lab tests needed
There are certain blood tests you’ll need since there are interactions between testosterone and other sex steroid hormones in the body. These include:
LH (leutinizing hormone): this tells us if your testosterone is low due to insufficient signaling hormones from the brain, or insufficient production in the gonadal or adrenal organs
SHBG (sex hormone binding globulin)
Estradiol: this can build up due to excessive activity of the aromatase enzyme. If too high, it can be suppressed using the aromatase-inhibitor Arimidex (anastrozole). This will boost testosterone.
DHEA-S: this can be supplemented if it is low
DHT (the metabolite of testosterone responsible for acne, hirsutism and hair loss)

Also, there can be other unwanted side effects in men and women who supplement with testosterone. The following blood tests are needed periodically:
CBC: complete blood cell analysis. High red blood cell counts (polycythemia) increases blood clotting risk
PSA: to monitor prostate activity
Hemoglobin A1c to detect the presence of diabetes or metabolic syndrome

Managing adverse effects of testosterone replacement
There may be side effects to testosterone therapy. The good news is that there are ways to counteract such unwanted side effects.  For example:
Acne:  many medications help this from topical antibiotics and tretinoin, to IPL (intense pulsed light) or microneedling.
Breast swelling or tenderness: effect should lessen in time; pain reliever medicines can be used.
Hirsutism: facial hair growth in women affects 5-8% of adult females.  If this develops with adequate testosterone replacement then consider
IPL long-term hair removal
Spironolactone (Aldactone) pills daily
Vaniqa (eflornithine) topical cream
Supplements found to help reduce hirsutism are diindolylmethane (DIM), N-acetyl cysteine (NAC), green tea, spearmint, licorice, reishi mushroom, saw palmetto, black cohosh and or chaste tree extract.
Hair loss: Rogaine (minoxidil) is an over the counter scalp application daily; Propecia (finasteride) are prescription pills.

As an aside, if you read the January 2014 PLOS article which proposed that testosterone replacement in men after having a myocardial infarction increases their risk for a repeat event, the international experts referenced earlier found this not to be credible.

To long term health and feeling good,
Michael Cutler, M.D.

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