Abstract: Disclosed are methods for treating a disorder to the immune system or an immunodeficiency state which comprise the steps of administering to a patient an effective amount of at least one serotonin agonist and at least one dopamine agonist, where the combination of the serotonin agonist and the dopamine agonist are present in an amount effective to treat the patient's condition, where administration of each of the agents is confined to the time of day during which the administration is capable of adjusting the prolactin profile of the patient to conform or to approach the standard human prolactin profile.