Tamoxifen side effects?

WOW after reading all the above re Tamoxifen I now feel a lot more informed.  I started taking it mid March this year and up till now, really had no idea what it was all about.  I basically rceived no information from doctors re this drug except that it was for my breast cancer that had estogen receptacles.  No one tol me about any side effects.  My fault, I should of asked but at the time my mind was everywhere.  I have been suffering the odd headache, strong pins & needles mainly in my legs but occassionally in my arms etc also.  I have days where I just feel sick in the stomache.  I had no idea why until I read all the above posts.  I'm seeing my oncologist next month and have already got my list of questions happening.  I also have mets in my back (bone cancer) and am undergoing Zometa treatment every month.  This seems to be the focus at the moment.  Does anyone have any information they would like to share re Zometa etc?  I would appreciate it greatly.  Now that I am starting to finally get my head around my disease, the questions are starting to flow quickly.  As they say "Knowledge is Power".