Signs and Symptoms of Low Testosterone
Low testosterone, also called hypogonadism or hypotestosteronemia, is a common issue that affects millions of men. The most common signs and symptoms include:
- Decreased libido - Lack of interest or inability to perform sexually
 - Erectile dysfunction - Inability to gain or maintain an erection
 - Depression - Low mood, sadness, irritability
 - Fatigue - Lack of energy, tiredness
 - Hair loss - Thinning hair or balding areas on the scalp
 - Loss of muscle mass - Despite exercise, reduced muscle strength and tone
 - Increased body fat - Weight gain, especially belly fat
 - Low semen volume - Reduced or watery ejaculate
 - Hot flashes - Sudden feelings of warmth spreading through the body
 - Sleep disturbances - Insomnia, poor sleep quality
 
The symptoms can develop slowly over years or have a sudden onset in some men. They negatively impact quality of life and can indicate an underlying health condition.