Diseases of the parasympathetic pelvic visceral nerves and pathology of the nerve pathways can lead to impaired redistribution of blood flow, insufficient pressure in the cavernous bodies, impaired ability to erections. Potency is affected by neurological disorders in Alzheimer's disease, Parkinson's disease, polyneuropathy, multiple sclerosis, hemorrhagic or ischemic stroke, injuries of the spinal cord, small pelvis and perineum, degeneration of intervertebral discs, craniocerebral trauma, cerebral insufficiency, etc.; endocrine.
The causes of impotence of endocrine genesis include increased levels of prolactin, endogenous estrogens and a decrease in the level of androgens, diseases associated with dysfunction of the pituitary and adrenal glands; iatrogenic.
They are explained by the side effects of a number of drugs (neuroleptics, tranquilizers, antihypertensive drugs, anticonvulsants, cytostatics, antidepressants, antihistamines of the 1st generation, corticosteroids, etc.) on sexual function; toxic. Due to the toxic effects of alcohol, drugs, nicotine.