Some of the more common thiopurine drugs: 6-Thioguanine (Lanvis®) 6-Mercaptopurine (Purinethol®) Azathioprine (Azasan®, Imuran®) You may lack the enzyme thiopurine methyltransferase (TPMT) and not even know it. For most of those who lack the enzyme, it will never be a problem, but, for those who are [...]
