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Physical Conditions Effecting Erections

Physical conditions that may cause erectile dysfunction include:

  • Problems with the nerves of the penis. Diseases such as multiple sclerosis or diabetes may cause nerve damage that affects a man’s ability to have an erection. Also, surgery, injury, or radiation treatment to the pelvic area may cause damage to the nerves of the penis.
  • Problems with the blood vessels that supply blood to the penis. Conditions such as hardening of the arteries (atherosclerosis) may make it difficult for a man to achieve an erection.
  • Activities that constrict blood flow to the penis (such as long-distance bicycle riding on a hard, narrow saddle) may increase a man’s risk for developing an erection problem.
  • Low levels of hormones, such as testosterone or thyroid hormones.
  • Side effects of medications, such as medications taken for high blood pressure (hypertension) or depression.
  • The use of tobacco, alcohol, or illegal drugs.
  • Source: WebMD

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