Your friend (nudge nudge wink wink) should consult a dr. about the other ED meds available...Levitra & Cialis get all the adverts, but a friend's (nudge nudge wink wink) doc put him on another little-known cheap yet effective med called isoxuprine...not an approved ED med as such, but it improves the circulation to the smooth muscle tissue in a manner very similar to the better known brands...it's also very interesting to see how many med professionals have never heard of isox when one tells them about all the meds one takes...

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