Azathioprine (Imuran) is in a class of drugs referred to as antimetabolites. Antimetabolites have a course of action that blocks the proliferation of cells. Specifically, the inhibition of T lymphocytes is the thought to be a mechanism for benefit. Research and blood tests confirm that Acetylcholine receptor antibody levels are decreased with the use of azathioprine as a treatment for myasthenia gravis.
Often Azathioprine is used in patients who have relapsed while using prednisone or as a steroid-sparing agent in patients who have been taking