The main symptoms of hypogonadism in men include low libido, impotence and premature ejaculation. Low libido is the absence or inadequacy of the patient’s subjective demand for sexual intercourse; impotence is the persistent inability of the penis to achieve and maintain an erection sufficient for satisfactory sexual intercourse; premature ejaculation is the inability to have a normal sexual life with the main manifestation of ejaculation at the beginning of intercourse or even before intercourse.