Many possible causes: Stress or anxiety can affect "performance". Alcohol and marijuana can affect the quality of erections. Tobacco smoking long term can promote erectile dysfunction. Your description does not sound like prostatitis. If you have had groin surgery or radiation therapy, both of these can affect erections. If none of the above apply, then I advise seeing a physician for an exam.
Answered 12/30/2015
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A doctor has provided 1 answer
A doctor has provided 1 answer
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