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Recognizing the Signs and Symptoms of Male Hypogonadism, or Low T

Health & Patients
A doctor talks to a patient.

The production of testosterone is not only essential to the normal development of the male body, but it is also critical in helping restore sexual function and well-being. Those suffering from male hypogonadism or "Low T" do not produce enough testosterone in their body.1

Symptoms and Causes

Low testosterone can result in a variety of symptoms,1 including:

    • Reduced sex drive
    • Erectile dysfunction
    • Reduced penile sensation
    • Hot flashes
    • Low or zero sperm count, which causes male infertility
    • Depressed mood
    • Difficulties with concentration
    • Increased body fat
    • Anemia
    • Decrease in muscle strength and bone mass
    • Decrease in endurance

Some men are born with hypogonadism, while others develop the condition later in life due to an injury or infection. It is estimated that 2% of males in the United States may have low testosterone, and about 12% of men in their 50s and up to 50% of men in their 80s may develop it.2

Don’t Ignore the Symptoms—Talk to an Expert

Unfortunately, many men ignore their symptoms. Only about 5% of men with Low T are being treated.2 As noted by the Men’s Health Network, it is important to take these symptoms seriously:

“Left unchecked for too long, this condition is linked with significant, long-term health problems, such as loss of muscle mass and even osteoporosis. Fortunately, though, testosterone deficiency is usually very treatable.”

The good news: There are treatments available.3 If men suffer from any of the symptoms above, it is important to visit a doctor for an exam and blood test that measures testosterone levels. Doctors base a diagnosis of hypogonadism on symptoms and results of blood tests that measure testosterone levels. 

For more information on male hypogonadism or Low T, visit these resources: 

References:

1. Kumar P, Kumar N, Thakur DS, Patidar A. Male hypogonadism: Symptoms and treatment. J Adv Pharm Technol Res. 2010;1(3):297-301. doi:10.4103/0110-5558.72420

2. Seftel AD. Male hypogonadism. Part I: Epidemiology of hypogonadism. Int J Impot Res. 2006;18(2):115-120. doi:10.1038/sj.ijir.3901397

3. Rojas-Zambrano JG, Rojas-Zambrano A, Rojas-Zambrano AF. Impact of Testosterone on Male Health: A Systematic Review. Cureus. 2025;17(4):e82917. Published 2025 Apr 24. doi:10.7759/cureus.82917