One treatment available for many of these problems is spironolactone, a diuretic that blocks the action of male sex hormones. Part of this may be due to the difficulty defining "normal" testosterone levels and "normal" behavior. Blood levels of testosterone vary dramatically over time and even during the course of a day.
The American Urological Association recommends that testosterone levels be raised to ng/dl when measured half-way between treatments. Health changes such as losing weight and getting more physical activity can raise your testosterone levels. affects almost 40% of men aged 45 and older. It is difficult to define normal testosterone levels, because levels vary throughout the day and are affected by body mass index , nutrition, alcohol consumption, certain medications, age and illness.