Brand name	Generic name	Location of action	Formulation	Dosage	Cost*
Apriso	Mesalamine	Colon	0.375-g extended-release capsule	1.5 g orally every morning	NA ($271)
Asacol Asacol HD	Mesalamine	Colon and terminal ileum	400- and 800-mg delayed-release tablets	800 mg orally three times per day	NA ($390)
Canasa	Mesalamine	Rectum	1,000-mg rectal suppository	1,000 mg rectally at bedtime	NA ($522)†
Lialda (multimatrix system)	Mesalamine	Colon	1.2-g delayed-release tablet	2.4 to 4.8 g orally once per day	NA ($512)
Pentasa (pH controlled)	Mesalamine	Small bowel, ileum, colon	250- and 500-mg extended-release capsules	1,000 mg orally four times per day	NA ($635)
Rowasa	Mesalamine	Descending colon	4 g per 60 mL rectal enema suspension	4 g rectally at bedtime	$36 ($95A) for 60-mL bottle†
Colazal (5-aminosalicylic acid plus inert carrier)	Balsalazide	Colon	750-mg capsule	2.25 g orally three times per day	$103 ($400)
Dipentum (two molecules of 5-aminosalicylic acid)	Olsalazine	Colon	250-mg capsule	500 mg orally twice per day	NA ($347)
Azulfidine	Sulfasalazine	Colon	500-mg tablet	500 mg orally four times per day	$23 ($79)