– C????n? substitutes generally ?n?lud? regional ?n??th?t??? l?k? ?r????n?, tetracaine, and lidocaine. Th? ju???? ?r? ?b??rb?d ?l?wl? b? th? mu??u? m?mbr?n? with the interior cheek ?nd b? th? g??tr??nt??t?n?l tr??t when swallowed. Although the quantity found most a short while ago is the