A testosterone blood test is done to measure the amount of testosterone in a person’s blood. Testosterone is a hormone that is produced by the testicles and is responsible for the development of male sexual characteristics. The testosterone test is used to diagnose conditions associated with low or high levels of testosterone, such as delayed puberty, impotence, and infertility. It can also be used to monitor testosterone levels in people who are receiving testosterone therapy.
Testosterone is a hormone that plays a key role in many body processes, including muscle growth, bone density, and sex drive. While testosterone levels naturally decline with age, there are a number of other factors that can contribute to low testosterone, such as obesity, type 2 diabetes, and sleep apnea. If you’re experiencing symptoms of low testosterone—such as fatigue, reduced sex drive, or depression—it’s important to get your levels checked by a doctor. Here’s what you need to know about how to test your testosterone levels.
There are two main types of testosterone tests:
- Blood tests
Blood tests are the most common and accurate way to measure testosterone levels. They can be done in a doctor’s office or laboratory and usually take less than 30 minutes.
- Saliva tests
Saliva tests are less common but may be recommended if you’re experiencing symptoms of low testosterone but your blood test results are normal. Saliva tests are done at home using a kit that you can order from a lab or your doctor’s office.
How is the Testosterone Test Done?
- A Testosterone test is a simple blood test. A healthcare professional will take a sample of your blood by inserting a needle into a vein in your arm. The blood will be sent to a lab for analysis.
- Your results will be ready within a few days. Your healthcare provider will go over your results with you and explain what they mean.
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Generally, Welzo recommends to avoid eating or drinking for several hours beforehand. You should also avoid any strenuous activity or exposure to extreme cold or heat for 24 hours before the test. During the test, a small sample of blood will be taken from a vein in your arm using a needle and sent to a lab for analysis.
Testosterone plays a role in many body processes, including:
- Muscle growth
- Bone density
- Sex drive
- Sperm production
- Red blood cell production
Testosterone levels fluctuate throughout the day and are highest in the morning. They gradually decline throughout adulthood. A significant decrease in testosterone levels can lead to symptoms such as low sex drive, fatigue, and depression. Testosterone levels can also be affected by certain medical conditions, such as obesity and type 2 diabetes.
The results of your blood test will be given in nanograms per deciliter (ng/dL). The normal range for testosterone levels is 350-1,000 ng/dL for men ages 19 and older. If your results fall below this range, it could indicate that you have low testosterone levels.
If you’re experiencing symptoms of low testosterone—such as fatigue, reduced sex drive, or depression—it’s important to get your levels checked by a doctor. Blood tests are the most common and accurate way to measure testosterone levels, and they can be done in a doctor’s office or laboratory. The normal range for testosterone levels is 350-1,000 ng/dL for men ages 19 and older; anything below this range could indicate low testosterone levels.
Normal testosterone levels vary depending on a person’s age and sex. In general, men have higher levels of testosterone than women. Testosterone levels also decline with age. The normal range for testosterone levels in men is between 300 and 1,000 nanograms per deciliter (ng/dL). For women, the normal range is between 15 and 70 ng/dL.
Testosterone levels can be affected by many factors, including stress, obesity, liver disease, kidney disease, and certain medications. If your testosterone levels are outside of the normal range, your healthcare provider will likely order additional tests to determine the cause.
Medications that can interfere with testosterone levels include:
- Androgens or anabolic steroids
- HIV protease inhibitors
If you’re experiencing any of the symptoms listed above, it might be time to get a testosterone blood test. Doing so could help you get your life back on track and feeling like yourself again in no time. Thanks for reading!