Severin, you're absolutely right. In some cases, even the dye they use to color the tablets can trigger an allergy. Most of the time it's fine to switch from one to another, but if you happen to be sensitive to one of the non-active ingredients, you can have a problem.
Moderate to severe left-sided UC (21 cm) diagnosed 2001.
Asacol, Rowasa, Pentasa, Prednisone, Entocort, Azathioprine
Colazal, Remicade, Nature's Way Primadophilus Reuteri.
In remission since April, 2006. Remicade has been my wonder drug.
Co-Moderator UC Forum