Testosterone Deficiency

Testosterone deficiency (TD) is characterized by low levels of the hormone testosterone. 

In males, a deficiency in testosterone means that the body is deficient in the hormone needed for the proper development of the prostate, the penis, the scrotum, the testicles. 

Reasons for a deficiency arise when damage has occurred to the areas of the body that control the secretion of the testosterone hormone. 

In addition, as men age, testosterone levels in the body start to decline. Testosterone levels decline even though Testosterone is produced by the pituitary gland, the testicles, and the hypothalamus. 


Problems with Testosterone Deficiency

In some cases, there can be a deficiency in testosterone from birth known as a “congenital” problem. In most cases, a deficiency in testosterone occurs for other reasons and is generally classified according to where the problem first occurs. 

These three types of deficiency are..

  • Primary deficiency (testicles)


  • Secondary deficiency (pituitary gland)


  • Tertiary deficiency (hypothalamus)

There are many reasons for testosterone deficiency other than aging, including..

  • Trauma or damage to the testicles.


  • An infection such as the mumps or syphilis.


  • Any tumor on the testicles, pituitary gland, or hypothalamus


  • Any radiation treatment.


  • Trauma or damage to the pituitary gland.


  • A course of chemotherapy.


  • Trauma or damage to the hypothalamus.
Testosterone Deficiency

Andropause and Testosterone Deficiency

Andropause, also referred to as male menopause, may consist of a variety of signs and symptoms, including the following..

AnxietyDepressionReduced muscle massErectile DysfunctionLow sperm countsProstate problemsSlow wound HealingInsomniaIrritabilityFatigueArtherosclerosisWeaknessHeart DiseaseReduced LibidoDisturbed SleepOsteoporosisReduced cognitive functionImpaired blood cell formationWhat is Testosterone?

Testosterone is classified as an androgen which decreases in the fourth decade of a man’s life. Imbalances of related hormones bring on the symptoms of aging in males is a near equivalent to menopause in women. 

Knowledge and attitudes regarding the existence of and treatments for andropause have recently undergone a revolutionary change. 

Some men may go through a rather sudden change in testosterone levels. 
However, most men have a slower and more subtle hormone decline; these men develop symptoms over time. 

These symptoms of deficiency are often attributed to other problems. Health care professionals often do not recognize these symptoms to be related to deficiency. 

Lab work performed by such labs as ZRT, can be utilized for early detection of undiagnosed hormone imbalances. 

These imbalances can be linked to an increased risk for prostate disease, low sex drive, depression, premature aging and poor quality of life. 

When a man starts taking natural testosterone replacement medications, they will experience a dramatic reversal of many of these changes. 

On the average, a man’s testosterone levels begin to decline at a rate of 1% per year after age 40. 

It is an estimate that 20% of all men aged 60-80 have low levels of normal testosterone. 

The medical term of low testosterone is hypogonadism. 

The following are a list of lab tests that a man could have preformed..

  • Total Testosterone


  • Bioavailable Testosterone


  • Estradiol


  • Cholesterol


  • Prostate Specific Antigen


  • Complete Blood Count


  • Hemoglobin


  • Hematocrit

Testing for Testosterone Deficiency

Proper monitoring of laboratory values and clinical response are essential when prescribing testosterone replacement therapy. 

A healthy adult male secretes 8-15mg/day of testosterone. 

If the patients level of testosterone becomes too high, the patients body will convert the testosterone into estradiol. The body cannot store testosterone effectively and this may be a good reason to apply testosterone daily instead of using long-lasting injections. 

Testosterone is well-absorbed from topical gels and creams. Other dosage forms include sublingual drops, troches or oral capsules. 

We don't recommend capsules because the drug goes from the stomach into the blood vessels that supply the liver, where the drug is significantly inactivated. Patches are not always liked because you have to shave the area you are applying the patch to. 

There is also no skin irritation from a cream or gel, which you may see from the adhesive patch. 


› Testosterone Deficiency

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