On Nov. 6 Harry Davis [log in to unmask] wrote-- "2) Why doesn't everyone use time release Sinimet as it seems to avoid the ups and downs? " ______________ I've been told by a PD specialist that some people's head chorea or dyskinesia can be worse using CR. For this reason, I was switched back to regular Sinemet. Barbara Blake-Krebs (56, dx 1984) [log in to unmask] Merriam KS