Testosterone deficiency introduction
Testosterone is a hormone produced by the testicles and is responsible for the proper development of male sexual characteristics. Testosterone is also important for maintaining muscle bulk, adequate levels of red blood cells, memory, bone growth, sense of well-being and sexual function.
Inadequate production of testosterone is not a common cause of erectile dysfunction; however, when ED does occur due to decreased testosterone production, testosterone replacement therapy may improve the problem.
What causes testosterone deficiency?
As a man ages, the amount of testosterone in his body gradually declines. This natural decline starts after age 30 and continues throughout life. Other causes of lowered testosterone levels include:
The significance of age-related testosterone decline is controversial and poorly understood.
What changes occur in the body due to testosterone deficiency?
How do I find out if I have a testosterone deficiency?
The only accurate way to detect the condition is to have your doctor measure the amount of testosterone in your blood. Because testosterone levels fluctuate throughout the day, several measurements will need to be taken to detect a deficiency. Doctors prefer, if possible, to test levels early in the morning since this is when testosterone levels are at their highest.
How is testosterone deficiency treated?
Testosterone deficiency can be treated by:
Each of these options provides adequate levels of hormone replacement; however, they all have different advantages and disadvantages. Talk to your doctor to see which approach may be right for you.
Who shouldn't take testosterone replacement therapy?
Men who have prostate cancer or breast cancer should not take testosterone replacement therapy. All men considering testosterone replacement therapy should undergo a thorough prostate cancer screening prior to starting this therapy with a rectal exam and PSA test.
What are the side effects of testosterone replacement therapy?
In general, hormone replacement therapy is safe. Possible side effects include:
Laboratory abnormalities that can occur with hormone replacement include:
If you are taking hormone replacement therapy, regular follow-up appointments with your doctor are important.
Like any other medication, directions for administering testosterone should be followed exactly as your doctor orders. If you are unsure or have any questions about testosterone replacement therapy, ask your doctor.
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References
Get-Back-On-Track.com.
The Hormone Foundation.
Edited by John M. Baird, MD, FACS on January 01, 2007
'Portions of this page The Cleveland Clinic 2000-2004
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Testosterone Replacement Therapy: Get Facts on Side Effects
