title: Pentasa in lieu of sulfasalazine.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000636:Aminosalicylic Acids / Q000627:therapeutic use*; D003093:Colitis, Ulcerative / Q000188:drug therapy*; D003424:Crohn Disease / Q000188:drug therapy*; D006801:Humans; D019804:Mesalamine; D008875:Middle Aged; D012460:Sulfasalazine / Q000009:adverse effects*
chemical_list: D000636:Aminosalicylic Acids; D012460:Sulfasalazine; D019804:Mesalamine