1) Amethopterin 2) Mercaptopurine 3) Methotrexate 4) Purinethol 
an agent capable of suppressing immune responses.
(from the article `drug`) The dramatic progress made in the transplantation of tissue and organs has been in part due to the use of drugs that modify the immune response in ... ...that are principally involved include those used to suppress the immune response, as well as the host of antimicrobial and antibiotic agents now ... In cou...
An agent that decreases the body
a drug that suppresses the natural immune responses. Immunosuppressants are given to transplant patients to prevent organ rejection or to patients with autoimmune diseases.
a drug that suppresses the natural immune responses. Immunosuppressants are given to transplant 
<immunology, pharmacology> An agent capable of suppressing immune responses. ... (18 Nov 1997) ... 
(im″u-no-sә-pres´әnt) an agent capable of suppressing immune responses.
Type: Term Pronunciation: im′yū-nō-sū-pres′ănt Definitions: 1. An agent that induces immunosuppression (cyclosporine, corticosteroids). Synonyms: immunodepressant, immunodepressor, immunosuppressive2
Immunosuppressant: An agent that can suppress or prevent the immune response. Immunosuppressants are used to prevent rejection of a transplanted organ and to treat autoimmune diseases such as psoriasis, rheumatoid arthritis, and Crohn's disease. Some treatments for cancer act as immunosuppressants. Also called an immunodepressant.
An agent that acts to suppress the body's natural immune response.
[n] - a drug that lowers the body`s normal immune response
A drug that suppresses the natural immune responses. Immunosuppressants are given to transplant patients to prevent organ rejection or to patients with autoimmune diseases.
Medicine that damps down (suppresses) the activity of your body's immune system.
a drug that inhibits the activity of the immune system; used to prevent rejection of a transplant organ and in disorders where the body's immune system attacks its own tissues 
immunosuppressor noun a drug that lowers the body`s normal immune response
Medications taken following a transplant to prevent rejection.