Azathioprine is an immunosuppressant agent prescribed for treating severely active rheumatoid arthritis and to prevent transplant rejection in patients who received kidney transplants. It is also recommended to treat other autoimmune disorders.
Cyclosporine or ciclosporin is an immunosuppressant agent prescribed to prevent rejection of organ transplants and treat rheumatoid arthritis, psoriasis, crohn's disease, nephrotic syndrome, bone marrow transplantation, and nummular keratitis.
Ketamine is general anesthetic agent prescribed for the induction and maintenance of anesthesia for short procedures and for some diagnostic purposes. It is a prescription drug which induces a state usually referred to as dissociative anesthesia.