RALEIGH, N.C.--(BUSINESS WIRE)--March 17, 2006--Salix Pharmaceuticals, Ltd. (NASDAQ:SLXP) today announced that the U.S. Food and Drug Administration (FDA) has granted marketing approval for prescription OsmoPrep(TM) Tablets (sodium phosphate monobasic monohydrate, USP, and sodium phosphate dibasic anhydrous, USP). OsmoPrep Tablets are indicated for cleansing of the colon as a preparation for colonoscopy in adults 18 years of age or older. OsmoPrep is patent protected until 2013, and additional patent protection is being sought through 2024.