Symptoms and signs of postpubertal male hypogonadism
| General and cognitive manifestations |
| Fatigue, lack of energy |
| Poor motivation |
| Impaired concentration and memory |
| Depressed mood |
| Irritability |
| Sleep disturbance |
| Reproductive manifestations |
| Decreased libido |
| Decreased morning erections |
| Erectile dysfunction |
| Decreased shaving frequency |
| Decreased body hair |
| Gynecomastia |
| Decreased size of testes |
| Infertility (decreased sperm production) |
| Other manifestations |
| Decreased bone mineral density, osteoporosis, fractures |
| Loss of muscle mass and strength |
| Increased body fat and body mass index |
| Hot flashes (with severe testosterone deficiency) |