Libido is basically desire for sexual activity. Sexual desire is an appetite, governed by multiple biological and experiential factors. Consequently, a wide variety of physical and psychological reasons can disturb its functioning.

Low sexual desire or loss of libido has been the most common sexual problem of both man and women. Lost of libido and consequent sexual dysfunction affects most women at some stage, as much as sexual dysfunction apparently affects 50% of the male population at some time of their lives. Low or loss of libido can be associated with lack of self-esteem and higher levels of anxiety, feelings of guilt, negative body-image, introversion and somatisation. In most cases, condition is due to anxiety or other negative feelings about the sex act or partner. There are possibility of emotional conflicts outside the sexual relationship itself can also produce low of loss of libido. According to recent studies, most cases are not associated with serious psychopathology. Sever alcoholism and endocrine or neurological disorders are most common physical causes of loss of libido.

There are different disfunction can be associate with of libido. One is hyposexuality, which mean inhibited sexual excitement, in which sexual arousal can be achieved only with great difficulty. Anorgasmia is condition in which a woman has a recurrent and persistent inability to achieve orgasm despite normal sexual stimulation. Erectile disfunction(impotence), in which a man cannot sustain an erection to achieve sexual act. Other common condition is premature ejaculation, in which the man ejaculates before or immediately after entering the vagina.