Low Testosterone Resource Center
Health ConditionsMen's HealthLow Testosterone

Low Testosterone

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Low testosterone, also known as hypogonadism, occurs when the body doesn't produce enough of the male sex hormone testosterone. You might experience symptoms like decreased libido, fatigue, fertility problems, erectile dysfunction, and reduced muscle mass. Treatment options include testosterone replacement therapy (TRT) and treating underlying conditions that may be causing low testosterone. Lifestyle factors such as exercise, weight management, avoiding illicit drug use and alcohol consumption, and a healthy diet can support healthy testosterone levels.

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FAQ

What are the symptoms of low testosterone?

Decreased libido, fatigue, shrinking testicles, hot flashes, and reduced muscle mass are common low testosterone symptoms. Low mood, concentration problems, increased body fat, and male breast tissue growth can also occur, as can delayed puberty and development in children.

Several blood tests measure testosterone levels. A total testosterone level test needs to occur in the morning, when levels are highest, and two tests are often necessary. Luteinizing hormone or prolactin tests can point to pituitary gland problems causing hypogonadism.

Low testosterone can contribute to erectile dysfunction. Testosterone has close links to sexual function, so low levels can lead to problems getting or keeping erections. Erectile dysfunction has many other causes, and testosterone replacement therapy doesn’t always treat erectile dysfunction.

The potential risks of TRT include sleep apnea, acne, swollen or tender breast tissue, or swelling in the ankles. It may also lead to high red blood cell counts that increase your risk of blood clots.

Support for healthy testosterone levels includes body-weight management, a healthy diet, smoking cessation, controlling alcohol consumption, and regular exercise, especially resistance training. Reducing exposure to environmental toxins like bisphenol A, a chemical in plastic, can also reduce your risk.

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Resources
  1. Low Testosterone (Low T). Cleveland Clinic. September 2, 2022.