Information for patients

What are the effects of testosterone in adult men?

Testosterone enables a man to have erections and experience sexual desire (libido). Furthermore it helps to maintain muscles, healthy bones, positive mood and physical energy

How are men affected by low testosterone levels?

The health consequences of low testosterone can be wide-ranging. Men with low testosterone can experience the following symptoms:

  • Lack of energy
  • Depression
  • Loss of libido
  • Loss of facial and body hair
  • Changes to body composition (for example low muscle mass)

Men with low testosterone are also at increased risk of:

  • Cardiovascular disease
  • Diabetes and metabolic syndrome
  • Osteoporosis

Last updated: 2019