Protect the patient from exposure to infection because blocking is the normal effects of the immune system. Suppressors, the nursing students learn that the most commonly used immune suppressant is cyclosporine. he nurse should initially assess whether the patient has been taking the medication as ordered or has altered the dose in any way. It is not uncommon for a young person to “cheek” the medication or attempt to cut back on the dose because of the lack of desire to take the medication on a continual basis—especially when the patient begins to feel better.