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A member asked:
If a person with severe ed do not respond to viagra (sildenafil) or cialis both given at highest dosage..what does this mean? is it due to blood flow problem?
A doctor has provided 1 answer
Maybe blood flow: Tough to say. You need to see a urologist who does penile duplex ultrasound to see if it's blood flow.
Answered 5/6/2013
5.1k views
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