- Low sex drive
- Erectile dysfunction (i.e., the inability to get or keep an erection)
- Low sperm count
- Reduced muscle mass and strength and increased fat mass
- Low bone density (i.e., osteoporosis)
- Loss of body hair
- Gynaecomastia (i.e., enlargement of breast tissue)
- Sleep disturbances
- Reduced energy, depressed mood, and trouble concentrating
What are the main signs and symptoms of low testosterone?
Written by:
Fact-checked
by:
•Last Updated: May 16, 2025
The main signs and symptoms of low testosterone include low sex drive, erectile dysfunction, reduced muscle mass, increased fat mass, low bone density, loss of body hair, gynaecomastia, sleep disturbances, and reduced energy accompanied by depressed mood and trouble concentrating. These symptoms can significantly affect overall health and well-being.