Low testosterone may be caused by problems with the pituitary or sex glands, increasing age, or genetic conditions such as Klinefelter syndrome in men. The side effects of low testosterone levels may be more pronounced in men, who normally have much higher levels than women. Bothersome side effects may be treatable with hormone supplements or medical treatments, or may resolve on their own with time.
Libido
According to the Cleveland Clinic, low testosterone levels can decrease interest in sexual activity in both women and men.
Sexual Dysfunction
Low testosterone in men can cause erectile dysfunction. In women it can cause problems with vaginal dryness and sexual arousal.
Breast Development
Men who experience low testosterone levels may experience breast growth or development called gynecomastia, similar to breast development in women during puberty.
Muscle Loss
A loss of physical strength and muscle mass, along with increased amounts of body fat, are side effects of low testosterone.
Bone Loss
Loss of height and loss of bone mass throughout the body is a side effect of low testosterone in men and can result in osteoporosis.
Neurological
According to the Mayo Clinic, problems with concentration, memory loss and decreased mental performance are neurological side effects of low testosterone levels.
Mental Health
Men with low testosterone may experience side effects such as depression, loss of self-confidence and decreased motivation and energy.
Tags: testosterone levels, effects testosterone, problems with, side effects, side effects testosterone, body side