Mine was taken out 2,5 weeks ago. I expected the symptoms would go away right after that, but they didn't, although they are less in frequency. I read on this site or another, that it can take a few weeks to several months before your body gets back to normal.
A few interesting sites:
(a complete list of side effects and warnings)
I hope this will help in finding more information. I'm certain I've read on one of these sites about the numbness. Good luck, and I hope everything will be ok for you soon.