Erectile dysfunction is typically caused by an underlying problem. Some of the most common causes of ED include; arteriosclerosis, diabetes, medication, hormone disorders, and psychological problems. There are also other health conditions that can lead to impotence such as; neurologic problems, Peyronie’s disease, venous leak, injury, surgery, and exposure to radiation.Arteriosclerosis

Arteriosclerosis is a condition in which the arteries become narrow and harden. It can also restrict blood flow to different parts of the body and cause ED. About 55% of men with impotence due to arteriosclerosis are at least 60 years of age.

Factors that increase the risk of arteriosclerosis include:

  • Diabetes
  • Hypertension
  • High Cholesterol Levels
  • Smoking


Approximately 60% of men with diabetes mellitus suffer from erectile dysfunction. This is because increased levels of glucose in the blood cause damage to nerves and blood vessels in the body. As a consequence, blood flow is reduced and impulses of the nerve are impaired, preventing a successful erection.


More than 200 prescription drugs can cause ED as a side effect. These include drugs for hypertension, heart problems, depression, and sedation. Over-the-counter medication, alcohol abuse, and illegal drug use are also factors that contribute to impotence.

Hormone Disorders

Hormone imbalances make up for less than 5% of erectile dysfunction cases. Low levels of testosterone in the body can cause decreased sex drive and lead to impotence. Testosterone deficiency can also be caused by an underlying health condition such as a pituitary gland tumor. In addition to low testosterone, renal and liver diseases are also possible factors of ED.

Psychological Problems

Psychological problems accounts for a big percentage of erectile dysfunction in younger men. However, both younger and older men can be affected by such conditions. Common psychological issues that lead to a low sex drive include; stress, anxiety, guilt, worry, and depression.

Visit St Pete Urology at for more information about erectile dysfunction causes, symptoms, diagnosis, and treatment options.

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