Nope i havent. What routine are you doing?
You might want to try a warm up or take it easy to get conditioned to Penis Enlargement and then when your ready start with the [words=http://www.mattersofsize.com/forum/penis-enlargement-newbie-forum/1597-dlds-first-routine-i-gained-2-inches-with-this-routine-full-tutorial.html]newbie routine[/words].
Take it slow, you might want to take a few days or so off let the sensation come back, then build your way back into it.
But i havent had this, maybe someone more expereinced could pass any advise to you mate