- Azodisalicylate (azodisal sodium) causes intestinal secretion. Comparative study of the effect of azodisalicylate, sulfasalazine, 5-aminosalicylic acid and sulfapyridine on the water and electrolyte transfer and the morphology of the rat ileum and colon in vivo. Goerg, K.J., Wanitschke, R., Gabbert, H., Breiling, J., Franke, M., Meyer zum Büschenfelde, K.H. Digestion (1987)