Sinemet is a combination of L-DOPA and Carbidopa. The Carbidopa improves the efficiency of the L-DOPA activity. The drugs are otherwise one and the same. Good luck, Bob -- ******************************************************** Robert A. Fink, M. D., F.A.C.S. Phone: 510-849-2555 Neurological Surgery FAX: 510-849-2557 2500 Milvia Street Suite 222 Berkeley, California 94704-2636 USA E-Mail: [log in to unmask] World Wide Web: <http://www.phoenix.net/~medical/fink.html> CompuServe: 72303,3442 America Online: BobFink "Ex Tristitia Virtus" ********************************************************