The most common organic causes of organic impotence are:
A. Abnormal penis anatomy: short penis, curved penis, upper urethra, hypospadias, abnormal penis position (penis behind the scrotum), penis deformity (double penis), testicular fibrosis. And penis trauma, penis fracture, etc.
B. Respiratory and circulatory diseases: respiratory failure, angina pectoris, myocardial infarction, etc.
C. Blood diseases: Hodgkin's disease, acute and chronic leukemia, pernicious anemia, etc.
D. Endocrine system diseases: diabetes, adrenal insufficiency, hypothyroidism, testicular dysplasia, pituitary lesions, hyperthyroidism, etc.
E. Vascular diseases: aneurysm, arteritis, arteriosclerosis, etc.
F. Nervous system diseases: muscular atrophy of lateral sclerosis, myasthenia gravis, Parkinson's disease, peripheral neuritis, spina bifida, temporal lobe disease, brain and spinal cord injury or tumor compression or deformity.
G. Genital diseases: prostatitis, seminal vesiculitis, epididymitis, seminal vesiculitis, epididymitis, varicocele, cystectomy, perineal or prostatectomy, cavernous sclerosis of penis, phimosis, persistent erection of penis (cavernous fibrosis of penis), etc.
H. Infectious diseases: filariasis, tuberculosis of reproductive system, gonorrhea, epidemic mumps with orchitis, etc.
I. Drugs: drug addiction, alcohol, a-methyldopa, atropine, barbiturates, liminine, cimetidine, guanidine, marijuana leaf, Dianbenxin, phenthiazide, propranolol, reserpine, spironolactone, dihydroxyurea.
J. Other diseases: chronic renal failure, liver cirrhosis, obesity, poisoning (knot, herbicide), etc.