It sounds like you have been diagnosed with RLS and requip worked for you well until it was determined to be causing side effects, and you were switched to Sinemet. One known side effect of
Requip is swelling in the legs; it sounds like you had an extensive evaluation for all the symptoms you began experiencing after January 2008.
Sinemet works well for RLS symptoms, but has a higher risk of eventually causing what is called augmentation, or the occurrence of symptoms earlier in the day.