Sandimmun Neoral 50ml Oral Solution 100mg/ml (Cyclosporin) - Immunosuppressant - derma.pkSandimmun Neoral 50ml Oral Solution 100mg ml (Cyclosporin) Immunosuppressant Sandimmun Neoral is a prescription medicine. It contains ciclosporin, a powerful immunosuppressant. Doctors use it to prevent organ rejection after transplant surgery and to treat some autoimmune diseases. How Sandimmun Neoral Works: This medicine lowers the activity of your immune system. In other words, if you've had an organ transplant, it helps stop your body from