--that can mimic the presentation of GBS; in fact, sub-acute presentations of Chronic Inflammatory Demyelinating Polyneuropathy (CIDP) can be hard to distinguish from GBS.
In fact, CIDP, which often follows a relapsing-remitting pattern, had been referred to as the chronic form of GBS. Even with acute onset GBS, there are many who experience "flares" and some degree of residual effect.
Take a look here to see if any of your symptoms match up:
http://neuromuscular.wustl.edu/time/...htm#neuropathy
http://neuromuscular.wustl.edu/antib...mdem.html#cidp