Olsalazine is an aminosalicylate and a prodrug of [mesalamine] (5-aminosalicylic acid, 5-ASA).[A257063] It was first developed for delivering mesalamine to the colon without the use of [sulfapyridine].[A257078] Olsalazine comprises two mesalamine molecules jo…

Antibacterial, potentially toxic, and previously used to treat certain skin diseases. No longer prescribed.

Sulfasalazine is an anti-inflammatory drug structurally related to salicylates and other non-steroidal anti-inflammatory drugs. It is indicated for managing inflammatory diseases such as ulcerative colitis and rheumatoid arthritis (RA).[L39065, A255582] Metab…