In the broadest aspect, the invention provides a composition for and a method of prophylactic and/or therapeutic treatment of a animal/mammal for any viral disease, mixed bacterial and viral infections, bacterial infections, bacterial endotoxins, bacterial exotoxins, autoimmune diseases, and cellular or humoral mediated allergic conditions that is caused by any virus that relies on the maintenance of specific calcium ion concentrations for the post ribosomal RNA synthesis processing of viral protein translation, transportation and processing of viral structural components by utilizing a therapeutic amount of a blocker selected from the group consisting of a calcium channel blocker, a metabolite thereof, a calmodulin blocker and a metabolite thereof, and a pharmaceutical acceptable diluent or carrier; and/or is caused by damage to the animal/mammal by a pathological immune response to antigens.