A drug that is used in the management of inflammatory bowel diseases. Its activity is generally considered to lie in its metabolic breakdown product, 5-aminosalicylic acid (see MESALAMINE) released in the colon. (From Martindale, The Extra Pharmacopoeia, 30th ed, p907)

Synonyms: Pyralin EN, Sulphasalazine, Sulfasalazine FNA, ratio-Sulfasalazine, Azulfadine, Ulcol, Benzoic acid, 2-hydroxy-5-((4-((2-pyridinylamino)sulfonyl)phenyl)azo)-, Salicylazosulfapyridine, Ucine, 3XC8GUZ6CB, 0, Colo-Pleon, Pleon, Sulfasalazin Heyl, Salazosulfapyridine, Sulfasalazine, Salazopyrin, Sulfasalazin-Heyl, Asulfidine, Colo Pleon, Sulfasalazin medac, Azulfidine, Azulfidine EN, ratio Sulfasalazine