As the name indicates, Imuran is a drug that can be used as an immunosuppressant. The drug works by supressing the immune system. This group of drugs can also be used for the treating patients who have undergone a kidney transplantation. Before you buy Imuran you must be aware of the fact that often this medicine is converted in the body to its active form, which is known as mercaptopurine. However, the exact mechanism of how this medicine works is not known. The generic name of the drug is azathioprine and the brand name is Azasan.

Imuran works similarly to that of other immunosuppresants. It actually suppresses the proliferation of lymphocytes that are part of the immune system and defend the body against different infectious diseases. This is a powerful prescription drug and before you buy Imuran you should consult with your doctor. Your doctor will determine the dosage of the generic Imuran (Azathioprine) and you should follow the dosage as recommended by the doctor. At the same time, you must also inform your doctor about the different drugs that you are taking and your exisiting medical condition.