In men, low testosterone levels in the body can be supplemented by hormone replacement with testosterone. Testosterone replacement therapy can be prescribed as an intramuscular injection usually given on a biweekly basis; as a patch or gel placed on the skin, or as putty that is applied to the gums of the mouth. Each of the treatments has its risks and benefits. The decision as to which form of testosterone to use depends upon the clinical situation. Discussions between the patient and health care professional often helps decide which medication to use.
In the United States there are currently no preparations that are FDA approved for testosterone replacement for women.
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There are two types of testosterone tests: a blood test and a saliva test. If your doctor suspects you have low testosterone, he may advise that you have your testosterone level checked. The most common way to check testosterone levels is a simple blood test. This checks your body’s total testosterone. If after have your blood test your doctor needs more information, he may want to do a second test. The testosterone blood test can be done in conjunction with your other blood work each year. The saliva test is also a quick, easy, and accurate way to test testosterone levels in your home or in your doctor’s office. The National Institutes of Health has been relying on saliva tests to measure hormone levels for more than 30 years.