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A member asked:

Assuming it is the cause, which nerve, when pinched/damaged causes impotence and requires me to use viagra (sildenafil) to attain an erection?

A doctor has provided 1 answer
Dr. Robert Killian answered

Specializes in General Practice

Erectile Dysfunction: Ed is usually a problem with the blood vessels, not the nerves. Do you have a particular back or spine injury that makes you think otherwise?

Answered 11/23/2013

4.7k views

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