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Impotence/Erectile Dysfunction Causes

Erectile dysfunction can be caused by any number of physical and psychological factors. In general, ED is divided into organic (having to do with a bodily organ or organ system) and psychogenic (mental) impotence, but most men with organic causes have a mental or psychological component as well. Erection problems will usually produce a significant psychological and emotional reaction in most men. This is often described as a pattern of anxiety and stress that can further interfere with normal sexual function. This “performance anxiety” needs to be recognized and addressed by your doctor.

Almost any disease can affect erectile function by altering the nervous, vascular, or hormonal systems. Various diseases may produce changes in the smooth muscle tissue of the penis or influence mood and behavior.

Vascular diseases account for nearly half of all cases of ED in men older than 50 years. Vascular disease includes atherosclerosis (fatty deposits on the walls of arteries, also called hardening of the arteries), a history of heart attacks, peripheral vascular disease (problems with blood circulation), and high blood pressure. Prolonged tobacco use (smoking) is considered an important risk factor for ED because it is associated with poor circulation and reduced blood flow in the penis.

Trauma to the pelvic blood vessels and nerves is another potential factor in the development of ED. Bicycle riding for long periods has been implicated, so some of the newer bicycle seats have been designed to soften pressure on the perineum (the soft area between the anus and the scrotum).

Medications used to treat other medical disorders may cause ED.

Mental conditions associated with ED

  • Depression
  • Widower syndrome
  • Performance anxiety

Nutritional states associated with ED

  • Malnutrition
  • Zinc deficiency

Blood diseases associated with ED

  • Sickle cell anemia
  • Leukemia’s

Surgical procedures associated with ED

  • Procedures on the brain and spinal cord
  • Retroperitoneal or pelvic lymph node dissection
  • Aortoiliac or aortofemoral bypass
  • Abdominal perineal resection
  • Proctocolectomy
  • Radical prostatectomy
  • Transurethral resection of the prostate
  • Cryosurgery of the prostate
  • Cystectomy

Common medications associated with ED

  • Antidepressants
  • Antipsychotics
  • Antihypertensive (for high blood pressure)
  • Antiulcer drugs such as cimetidine (Tagamet)
  • Hormonal medication such as Zoladex, Lupron, finasteride (Proscar), or dutasteride (Avodart)
  • Drugs that lower cholesterol
  • Alcohol abuse
  • Mind-altering agents such as marijuana and cocaine

Systemic diseases associated with ED

  • Diabetes
  • Seleroderma
  • Renal (kidney) failure
  • Liver cirrhosis
  • Hemochromatosis (too much iron in the blood)
  • Cancer and cancer treatment

Diseases of the nervous system associated with ED

  • Epilepsy
  • Stroke
  • Multiple sclerosis
  • Guillain-Barré syndrome
  • Alzheimer disease
  • Trauma
  • Parkinson disease

Respiratory disease associated with ED

  • Chronic obstructive pulmonary disease

Endocrine conditions associated with ED

  • Hyperthyroidism
  • Hypothyroidism
  • Hypogonadism

Penile conditions associated with ED

  • Peyronie disease
  • Priapism (painful, abnormally prolonged erections)

The West Clinic

1188 Call Place
Pocatello, ID 83201
Business Hours
Monday - Thursday: 8:30am to 6:00pm
Friday: 8:30 am to 1:00 pm
Saturday and Sunday: Closed

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