Abstract: A novel pharmaceutical composition having anti-bacterial and antiviral activity and method of treating diseases caused by bacterial and viral pathogens through stimulation of the immunologic system. The composition comprises selected amounts of chlorambucil, procarbazine and cyclophosphamide. Melphalan and liothyronine are primary options. Calcium may also be included as a desirable supplement. The method includes administering these components to a patient in an ordered, time-released manner.