Impotent is a man who has difficulty with erection occur in no less than 25% of cases of his sexual contact. One of the most common causes of this disorder is alcoholism. Other causes include injuries of the spine and genital organs, endocrine diseases (diabetes), taking large doses of various drugs for a long time (antipsychotics, barbiturates, narcotic drugs). About half of the disorders are purely functional in nature and are associated with personality characteristics (anxiety, suspiciousness, impressionability), reactions to the environment (fear of sexual intercourse) and mental disorders (neurosis, depression, schizophrenia).
Premature (fast) ejaculation (ejaculation) - ejaculation before the start of sexual intercourse or loss of control over ejaculation immediately after the start of sexual intercourse. Excessive fixation of this phenomenon and fear contribute to the violation of erection. This type of violation is rarely caused by organic causes, mainly psychosocial factors play a role.