Yes, there's quite a few things you need to consider (especially making sure you don't treat your knee issues as though your knees are separate from all the other organs & systems in your body :)
There are several things you can do and specific herbs to use. Until I have a chance to get back to you with a more detailed response, the castor oil packs are going to be very beneficial. Also, be sure to read this: //www.curezone.org/forums/fm.asp?i=1392028#i