Causes:

Headaches
Depression
Mood/Emotion Swings
Anger
Loss of Memory
Loss of Sleep
Sexual Dysfunction
Lethargy
Weakness in Limbs
High Blood Pressure
Unusual Hair Growth
Eating Disorders
Anorexia
Obesity
Bulimia
Weight Gain
Diabetes
Infertility
Impotence
Irregular Menses
Tactating

Symptoms:

The cause of uncontrolled cell growth in the pituitary gland, creating a tumor, remains unknown.