First Time User? Enroll now.
Find Vaccine information, visitor restrictions, and additional resources
Home > Health Library > Low Testosterone
Men who have low testosterone do not make enough of the male hormone called testosterone. This hormone allows men to produce sperm and to develop and keep normal physical male traits. Low testosterone is also called testosterone deficiency or hypogonadism.
Low testosterone can lead to problems such as loss of sex drive, erection problems, infertility, and weakened bones.
Many things can cause this problem, such as:
Low testosterone also can be present at birth.
A blood test is usually done to find out if you have low testosterone. If your doctor thinks low testosterone could be related to another medical problem, he or she may do other tests.
Since testosterone normally decreases with age, your doctor can help determine whether your symptoms are from low testosterone and whether you could benefit from treatment.
Symptoms of low testosterone in men may include:
Your doctor will examine you and ask about your symptoms and past health. You will have a blood test. If it shows a low testosterone level, you will have another blood test to confirm the result. If the second test confirms low testosterone, other tests may be done to find the cause.
Treatment may depend on the cause. Low testosterone that causes symptoms usually is treated with testosterone hormone. This is called testosterone replacement. You can get it in different ways, such as in a shot, through a patch or gel on the skin, or in a tablet you place between your cheek and gum.
Another way to raise your testosterone is through pills that you swallow. These pills aren't testosterone. Instead they are other kinds of medicine that work well to raise testosterone levels. They include medicines such as clomiphene.
Testosterone replacement may improve your sexual desire, increase your muscle mass, and help prevent bone loss. Many men with low testosterone levels report that they feel better and have more energy while taking testosterone.
Testosterone may be used to treat some men who have erection problems.
The evidence from studies isn't clear about whether taking testosterone lowers or increases the risk of heart attack, stroke, or blood clots in the veins.
Experts don't know for sure if taking testosterone affects the risk of prostate cancer. Your doctor may recommend regular exams and blood tests to check for problems.
Testosterone can affect your fertility. If you are trying to have a child, you may want to ask your doctor if you can take a medicine that doesn't affect fertility.
Side effects of testosterone replacement may include:
Current as of:
February 10, 2021
Author: Healthwise StaffMedical Review: Adam Husney MD - Family MedicineE. Gregory Thompson MD - Internal Medicine
Current as of: February 10, 2021
Author: Healthwise Staff
Medical Review:Adam Husney MD - Family Medicine & E. Gregory Thompson MD - Internal Medicine
To learn more about Healthwise, visit Healthwise.org.
© 1995-2021 Healthwise, Incorporated. Healthwise, Healthwise for every health decision, and the Healthwise logo are trademarks of Healthwise, Incorporated.
Feeling under the weather?
Use our interactive symptom checker to evaluate your symptoms and determine appropriate action or treatment.
Get started learning more about your health!
Our Interactive Tools can help you make smart decisions for a healthier life. You'll find personal calculators and tools for health and fitness, lifestyle checkups, and pregnancy.