Medical factors related to Sexual dysfunctions
On men, the most frequent sexual dysfunction is premature ejaculation, which affects about thirty nine percent of the male population affected by any sexual disorder; the next most frequent sexual disorder that affects men is low sexual desire which affects about twenty five percent, eighteen percent of male population is affected by delayed ejaculation, fourteen percent of the population is affected by erectile dysfunction and the anorgasmy affects nine percent of men.
Among women, the most common sexual disorder is the anorgasmy also known as orgasmic disorder, it affects to forty two percent of female population, the lack of sexual desire affects to thirty seven percent of women, the dyspareunia affects to twenty nine percent of women, arousal problems affects to twenty two percent of women and vaginismus affects to five percent of women. Many of these disorders are associated to diseases.
Hypoactive sexual desire
This disorder is associated to an abnormal hypothalamic-pituitary performance, a chronic renal insufficiency, endocrine disorders (such as adrenal insufficiency, hyperthyroidism and diabetes), chronic pain, weakness and the intake of alcohol and drugs.
Female sexual arousal disorder
The female sexual arousal disorder is associated to an estrogen deficiency, alcoholic neuropathy, atrophic vulvovaginitis, hypothalamic lesions, diabetes, high blood pressure and drug.
Erectile disorder in men
The erectile disorder in men is associated to a wide variety of diseases such as the curvature of the penis when it is erect, spinal cord injury, arterial occlusion, multiple sclerosis, an abnormal drainage inside the corpora cavernosa of the penis, excessive prolactin and beta-estradiol, testosterone deficiency, diabetes and the use of drugs.
Female orgasmic disorder
The female orgasmic disorder is related to several diseases such as alcoholic neuropathy, diabetes, multiple sclerosis, spinal cord injury, liver disease, adrenal gland problems and the use of drugs.
Male orgasmic disorder
The male orgasmic disorder is related to a wide variety of diseases such as tumors, spinal cord injuries, Parkinson's disease, multiple sclerosis, alcoholism, diabetes, prostatitis and drug intake.
This disorder is associated to several diseases such as local illnesses on the posterior urethra like multiple sclerosis, prostatitis or other degenerative neurological alterations.
On the woman, the pain experienced during the penetration and during the orgasm can be due to the presence of a rigid or an imperforate hymen, clitoris problems, dermatologic affections, vulvitis, cysts in the Bartholin glands, scars, insufficient lubrication, cystitis, trigonitis, congenital short vagina, urethritis, pelvic inflammation, fixed retroverted uterus, endometriosis, ovarian pathology, endometritis, ectopic pregnancy, pelvic congestion and disease of the colon.
On the man, the pain associated to ejaculation can be due to a case of urethritis, prostatitis, and in rare occasions to intraurethral lesions. Other causes for dyspareunia on men include carcinoma and tearing of the ejaculatory ducts, condylomata acuminate, vasitis and epididymitis and inguinal hernias. The pain before the erection and penetration can be caused by diseases such as balanoposthitis, phimosis, balanitis, curvature of erect penis, paraphimosis, fixing frenular, balanoposthitis and the scarring of the skin or underlying tissues.