DEQUALINIUM CHLORIDE IS A BISQUATERNARY QUINOLINIUM ANTISEPTIC, BACTERICIDAL AGAINST MANY GRAM-POSITIVE AND GRAM-NEGATIVE BACTEIRA, AND EFFECTIVE AGAINST FUNTI. ITS ACTION AFFECTED BY THE PRESENCE OF SERUM. IT IS MAINLY USED IN FORM OF LOZENGES FOR MINOR MOUTH AND THROAT INFECTIONS. IT ALSO HAS USED TOPICALLY ON SKIN AND VAGINAL INFECTIONS.